Παραπομπή APA

Barrantes, G. (1998). Reproductive activity of birds in a mangrove swamp in Northwest Costa Rica.

Παραπομπή Chicago Style

Barrantes, Gilbert. Reproductive Activity of Birds in a Mangrove Swamp in Northwest Costa Rica. 1998.

Παραπομπή MLA

Barrantes, Gilbert. Reproductive Activity of Birds in a Mangrove Swamp in Northwest Costa Rica. 1998.

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