Dyfyniad APA

Moreno, L. (2002). Threats to birds of Costa Rica's cloud forests.

Dyfyniad Arddull Chicago

Moreno, Luisa. Threats to Birds of Costa Rica's Cloud Forests. 2002.

Dyfyniad MLA

Moreno, Luisa. Threats to Birds of Costa Rica's Cloud Forests. 2002.

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