APA aipamena

(1977). Genetic engineering for nitrogen fixation. New York: Plenum Press.

Chicago Style aipamena

Genetic Engineering for Nitrogen Fixation. New York: Plenum Press, 1977.

MLA aipamena

Genetic Engineering for Nitrogen Fixation. New York: Plenum Press, 1977.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.