Little, E. L. (1979). Forest trees of the United States and Canada: And how to identify them. Dover.
Citace podle Chicago (17th ed.)Little, Elbert Luther. Forest Trees of the United States and Canada: And How to Identify Them. Nueva York: Dover, 1979.
Citace podle MLA (9th ed.)Little, Elbert Luther. Forest Trees of the United States and Canada: And How to Identify Them. Dover, 1979.
Upozornění: Tyto citace jsou generovány automaticky. Nemusí být zcela správně podle citačních pravidel..