Dyfyniad APA

Rodríguez Alvarez, D., & Fonseca González, W. (1993). Results of a forest species trial in Palmar Norte, Costa Rica.

Dyfyniad Arddull Chicago

Rodríguez Alvarez, Dora, y William Fonseca González. Results of a Forest Species Trial in Palmar Norte, Costa Rica. 1993.

Dyfyniad MLA

Rodríguez Alvarez, Dora, y William Fonseca González. Results of a Forest Species Trial in Palmar Norte, Costa Rica. 1993.

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