Bray, W. L. (1912). The development of the vegetation of New York state (2nd ed.). Spracuse University.
Chicago Style aipamenaBray, William L. The Development of the Vegetation of New York State. 2nd ed. New York: Spracuse University, 1912.
MLA aipamenaBray, William L. The Development of the Vegetation of New York State. 2nd ed. Spracuse University, 1912.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.