Andrewartha, . H. G., & Birch, . L. C. (1954). Distributors and abundance of animals. University of Chicago Press.
Chicago Style aipamenaAndrewartha, H G., and L C. Birch. Distributors and Abundance of Animals. Chicago: University of Chicago Press, 1954.
MLA aipamenaAndrewartha, H G., and L C. Birch. Distributors and Abundance of Animals. University of Chicago Press, 1954.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.