Macdaniels, L. (1939). Morphology of the apple and other pome fruits. The University.
Chicago Style aipamenaMacdaniels, L.H. Morphology of the Apple and Other Pome Fruits. New York: The University, 1939.
MLA aipamenaMacdaniels, L.H. Morphology of the Apple and Other Pome Fruits. The University, 1939.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.