APA aipamena

Walker, G. (2013). Antarctica: An intimate portrait of a mysterious continent. Boston: Houghton Mifflin Harcourt Pub..

Chicago Style aipamena

Walker, Gabrielle. Antarctica: An Intimate Portrait of a Mysterious Continent. Boston: Houghton Mifflin Harcourt Pub., 2013.

MLA aipamena

Walker, Gabrielle. Antarctica: An Intimate Portrait of a Mysterious Continent. Boston: Houghton Mifflin Harcourt Pub., 2013.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.