APA aipamena

Heywood, V. H. (1971). Biology and chemistry of the umbelliferae. Academic Press.

Chicago Style aipamena

Heywood, V. H. Biology and Chemistry of the Umbelliferae. Academic Press, 1971.

MLA aipamena

Heywood, V. H. Biology and Chemistry of the Umbelliferae. Academic Press, 1971.

Kontuz: berrikusi erreferentzia hauek erabili aurretik.