APA aipamena

Marshall, S. M., & Orr, A. P. (1972). Biology of a marine copepod. Springer- Verlag.

Chicago Style aipamena

Marshall, S. M., and A. P. Orr. Biology of a Marine Copepod. Berlin: Springer- Verlag, 1972.

MLA aipamena

Marshall, S. M., and A. P. Orr. Biology of a Marine Copepod. Springer- Verlag, 1972.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.