Walker, G. (2013). Antarctica: An intimate portrait of a mysterious continent. Boston: Houghton Mifflin Harcourt Pub..
Chicago Stili AlıntıWalker, Gabrielle. Antarctica: An Intimate Portrait of a Mysterious Continent. Boston: Houghton Mifflin Harcourt Pub., 2013.
MLA AlıntıWalker, Gabrielle. Antarctica: An Intimate Portrait of a Mysterious Continent. Boston: Houghton Mifflin Harcourt Pub., 2013.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..