Dyfyniad APA

Delgado, A., Montero, M., Murillo, O., & Castillo, M. (2003). Growth of native forest species in the north area de Costa Rica.

Dyfyniad Arddull Chicago

Delgado, Adrián, Marcelino Montero, Olman Murillo, y Marvin Castillo. Growth of Native Forest Species in the North Area De Costa Rica. 2003.

Dyfyniad MLA

Delgado, Adrián, Marcelino Montero, Olman Murillo, y Marvin Castillo. Growth of Native Forest Species in the North Area De Costa Rica. 2003.

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