Dyfyniad APA

Araya Céspedes, O., & Carvajal Sanchéz, J. P. (2019). Avifauna composition and richness in four vegetation types, San Ramón, Costa Rica.

Dyfyniad Arddull Chicago

Araya Céspedes, Osvaldo, y José Pablo Carvajal Sanchéz. Avifauna Composition and Richness in Four Vegetation Types, San Ramón, Costa Rica. 2019.

Dyfyniad MLA

Araya Céspedes, Osvaldo, y José Pablo Carvajal Sanchéz. Avifauna Composition and Richness in Four Vegetation Types, San Ramón, Costa Rica. 2019.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.