Levenson, J. B. (1981). The southern mesic forest of Southeastern Wisconsin: Species composition and community structure. Milwaukee Public Museum.
Chicago-Zitierstil (17. Ausg.)Levenson, James B. The Southern Mesic Forest of Southeastern Wisconsin: Species Composition and Community Structure. Milwaukee, Wisc: Milwaukee Public Museum, 1981.
MLA-Zitierstil (9. Ausg.)Levenson, James B. The Southern Mesic Forest of Southeastern Wisconsin: Species Composition and Community Structure. Milwaukee Public Museum, 1981.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.