APA aipamena

Kondratov,Alexander. (1974). The riddles of three oceans. Progress publishers.

Chicago Style aipamena

Kondratov,Alexander. The Riddles of Three Oceans. Moscow: Progress publishers, 1974.

MLA aipamena

Kondratov,Alexander. The Riddles of Three Oceans. Progress publishers, 1974.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.