APA aipamena

Lenin, V. (1971). On Engels: Articles and speeches. Novosti Press Agency Pub. House.

Chicago Style aipamena

Lenin, V. On Engels: Articles and Speeches. Novosti Press Agency Pub. House, 1971.

MLA aipamena

Lenin, V. On Engels: Articles and Speeches. Novosti Press Agency Pub. House, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.