APA aipamena

Keever. Death Zones and Darling Spies. University of Nebraska Press.

Chicago Style aipamena

Keever. Death Zones and Darling Spies. University of Nebraska Press.

MLA aipamena

Keever. Death Zones and Darling Spies. University of Nebraska Press.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.