Balen, B. v. (1999). Birds on fragmented islands persistence in the forests of Java and Bali. Wageningen University and Research Centre.
Chicago-referens (17:e uppl.)Balen, Bas van. Birds on Fragmented Islands Persistence in the Forests of Java and Bali. Wageningen: Wageningen University and Research Centre, 1999.
MLA-referens (8:e uppl.)Balen, Bas van. Birds on Fragmented Islands Persistence in the Forests of Java and Bali. Wageningen University and Research Centre, 1999.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.