«Geography - Southern Ocean». CIA Factbook. Arkivert frå originalen 13. februar 2017. Henta 21. januar 2014. «... the Southern Ocean has the unique distinction of being a large circumpolar body of water totally encircling the continent of Antarctica; this ring of water lies between 60 degrees south latitude and the coast of Antarctica and encompasses 360 degrees of longitude»
«Geography - Southern Ocean». CIA Factbook. Arkivert frå originalen 13. februar 2017. Henta 21. januar 2014. «... the Southern Ocean has the unique distinction of being a large circumpolar body of water totally encircling the continent of Antarctica; this ring of water lies between 60 degrees south latitude and the coast of Antarctica and encompasses 360 degrees of longitude»