Παραπομπή APA

Sandoval Vargas, L. A., & Barrantes Montero, G. (2009). Nest Usurping Occurrence Of The Piratic Flycatcher (Legatus Leucophaius) In Southwestern Costa Rica.

Παραπομπή Chicago Style

Sandoval Vargas, Luis Andrés, και Gilbert Barrantes Montero. Nest Usurping Occurrence Of The Piratic Flycatcher (Legatus Leucophaius) In Southwestern Costa Rica. 2009.

Παραπομπή MLA

Sandoval Vargas, Luis Andrés, και Gilbert Barrantes Montero. Nest Usurping Occurrence Of The Piratic Flycatcher (Legatus Leucophaius) In Southwestern Costa Rica. 2009.

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