APA aipamena

Armstrong, J. M., & Ryner, P. C. Ocean management: A new perspective, 1981.

Chicago Style aipamena

Armstrong, John M., and Peter C. Ryner. Ocean Management: A New Perspective, 1981.

MLA aipamena

Armstrong, John M., and Peter C. Ryner. Ocean Management: A New Perspective, 1981.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.