APA (7th ed.) Zitazioa

Perras, G. R. (2003). Stepping stones to nowhere: The Aleutian Islands, Alaska, and American military strategy, 1867-1945. UBC Press.

Chicago Style (17th ed.) Zitazioa

Perras, Galen Roger. Stepping Stones to Nowhere: The Aleutian Islands, Alaska, and American Military Strategy, 1867-1945. Vancouver: UBC Press, 2003.

MLA (9th ed.) Zitazioa

Perras, Galen Roger. Stepping Stones to Nowhere: The Aleutian Islands, Alaska, and American Military Strategy, 1867-1945. UBC Press, 2003.