Dyfyniad APA

Barrantes, G. (1998). Reproductive activity of birds in a mangrove swamp in Northwest Costa Rica.

Dyfyniad Arddull Chicago

Barrantes, Gilbert. Reproductive Activity of Birds in a Mangrove Swamp in Northwest Costa Rica. 1998.

Dyfyniad MLA

Barrantes, Gilbert. Reproductive Activity of Birds in a Mangrove Swamp in Northwest Costa Rica. 1998.

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