Til að setja þessa síðu saman þurftum við að nota ýmsar heimildir. Hér eru heimildirnar sem við notuðum:
(2. maí 2014). Sótt frá www.colegioweb.com.br: https://www.google.is/search?safe=strict&sa=G&hl=is&q=relevo+cadeias+de+montanhas&tbm=isch&tbs=simg:CAQSlwEJWk2clTvCP3kaiwELEKjU2AQaBAgVCAEMCxCwjKcIGmIKYAgDEiiRFu8VmQusA5QWmB6tA_1kV7hXqFcUigCvJOP4qyDj_1Ksc4xCLKOP0qGjB5K8Fv2xB0RV_1WZgsfskQBwZCB-kppuMd7NKtD
(15. desember 2015). Sótt frá www.nationalgeographic.com.au: https://www.google.is/search?q=mount+everest&safe=strict&rlz=1C1GCEV_enIS822IS822&source=lnms&tbm=isch&sa=X&ved=0ahUKEwje09KnlOXeAhUCUlAKHd-bCGEQ_AUIDigB&biw=1440&bih=789#imgrc=iY1rHGSrW9Lc6M:
Hilmar Egill Sveinbjörnsson. (2015). Um víða veröld. Kópavogur: Námsgagnarstofnun.
HIMALAYA MOUNTAIN HD WALLPAPER. (6. júní 2017). Sótt frá http://ak-kem.info: https://www.google.is/search?q=fellingafj%C3%B6ll&safe=strict&rlz=1C1GCEV_enIS822IS822&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjOlIaJytPeAhXHJ1AKHQb0CN4Q_AUIDigB&biw=1440&bih=789#cns=0&imgdii=yN_7-b9r_lJzHM:&imgrc=Wk2clTvCP3nDYM:
Sigurður Steinþórsson. (25. febrúar 2003). Sótt frá Visindavefurinn.is: https://www.visindavefur.is/svar.php?id=3172
(15. desember 2015). Sótt frá www.nationalgeographic.com.au: https://www.google.is/search?q=mount+everest&safe=strict&rlz=1C1GCEV_enIS822IS822&source=lnms&tbm=isch&sa=X&ved=0ahUKEwje09KnlOXeAhUCUlAKHd-bCGEQ_AUIDigB&biw=1440&bih=789#imgrc=iY1rHGSrW9Lc6M:
Hilmar Egill Sveinbjörnsson. (2015). Um víða veröld. Kópavogur: Námsgagnarstofnun.
HIMALAYA MOUNTAIN HD WALLPAPER. (6. júní 2017). Sótt frá http://ak-kem.info: https://www.google.is/search?q=fellingafj%C3%B6ll&safe=strict&rlz=1C1GCEV_enIS822IS822&source=lnms&tbm=isch&sa=X&ved=0ahUKEwjOlIaJytPeAhXHJ1AKHQb0CN4Q_AUIDigB&biw=1440&bih=789#cns=0&imgdii=yN_7-b9r_lJzHM:&imgrc=Wk2clTvCP3nDYM:
Sigurður Steinþórsson. (25. febrúar 2003). Sótt frá Visindavefurinn.is: https://www.visindavefur.is/svar.php?id=3172