APA način citiranja

Roberts, D. L. (2007). Effects of tropical forest fragmentation on ecology and conservation of migrant and resident birds in lowland Costa Rica.

Čikaški stil citiranja

Roberts, Dina L. Effects of Tropical Forest Fragmentation On Ecology and Conservation of Migrant and Resident Birds in Lowland Costa Rica. 2007.

MLA način citiranja

Roberts, Dina L. Effects of Tropical Forest Fragmentation On Ecology and Conservation of Migrant and Resident Birds in Lowland Costa Rica. 2007.