APA aipamena

George st george. Siberia: New frontier. Hodder and stoughton.

Chicago Style aipamena

George st george. Siberia: New Frontier. Britain: Hodder and stoughton.

MLA aipamena

George st george. Siberia: New Frontier. Hodder and stoughton.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.