APA aipamena

Weidle, W. (1952). Russia: Absent and present.

Chicago Style aipamena

Weidle, Wladimir. Russia: Absent and Present. 1952.

MLA aipamena

Weidle, Wladimir. Russia: Absent and Present. 1952.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.