Faegri, K. (1979). Principles of pollination ecology (4.). Pergamon Press.
Chicago Style aipamenaFaegri, K. Principles of Pollination Ecology. 4. London: Pergamon Press, 1979.
MLA aipamenaFaegri, K. Principles of Pollination Ecology. 4. Pergamon Press, 1979.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.