APA aipamena

KRISHNA, N. (1979). METHOD STUDY. NATIONAL PROD. COUNCIL.

Chicago Style aipamena

KRISHNA, N.V. METHOD STUDY. NATIONAL PROD. COUNCIL, 1979.

MLA aipamena

KRISHNA, N.V. METHOD STUDY. NATIONAL PROD. COUNCIL, 1979.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.