Terborgh, J. (1989). Where have all the birds gone?: Essays on the biology and conservation of birds that migrate to the American tropics. Princeton Univ. Press.
Chicago-Zitierstil (17. Ausg.)Terborgh, John. Where Have All the Birds Gone?: Essays on the Biology and Conservation of Birds That Migrate to the American Tropics. Princeton, NJ: Princeton Univ. Press, 1989.
MLA-Zitierstil (9. Ausg.)Terborgh, John. Where Have All the Birds Gone?: Essays on the Biology and Conservation of Birds That Migrate to the American Tropics. Princeton Univ. Press, 1989.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.