APA aipamena

(1970). The Biology of the porifera. London: Published for the Zoological Society of London by Academic Press.

Chicago Style aipamena

The Biology of the Porifera. London: Published for the Zoological Society of London by Academic Press, 1970.

MLA aipamena

The Biology of the Porifera. London: Published for the Zoological Society of London by Academic Press, 1970.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.