Little, E. L. (1979). Forest trees of the United States and Canada: And how to identify them. Dover.
Chicago-Zitierstil (17. Ausg.)Little, Elbert Luther. Forest Trees of the United States and Canada: And How to Identify Them. Nueva York: Dover, 1979.
MLA-Zitierstil (9. Ausg.)Little, Elbert Luther. Forest Trees of the United States and Canada: And How to Identify Them. Dover, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.