Balen, B. v. (1999). Birds on fragmented islands persistence in the forests of Java and Bali. Wageningen University and Research Centre.
Chicago-viite (17. p.)Balen, Bas van. Birds on Fragmented Islands Persistence in the Forests of Java and Bali. Wageningen: Wageningen University and Research Centre, 1999.
MLA-viite (8. p.)Balen, Bas van. Birds on Fragmented Islands Persistence in the Forests of Java and Bali. Wageningen University and Research Centre, 1999.
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