Green, J. C. (1975). Minnesota birds: Where, when, and how many. Published by the University of Minnesota Press, for the James Ford Bell Museum of Natural History.
Chicago-Zitierstil (17. Ausg.)Green, Janet C. Minnesota Birds: Where, When, and How Many. Minneapolis: Published by the University of Minnesota Press, for the James Ford Bell Museum of Natural History, 1975.
MLA-Zitierstil (9. Ausg.)Green, Janet C. Minnesota Birds: Where, When, and How Many. Published by the University of Minnesota Press, for the James Ford Bell Museum of Natural History, 1975.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.