Dyfyniad APA

(1981). Proceedings of regional training course on Watershed resources management & environmental monitoring in humid and tropical ecosystems. Changmai, Thailand: [s.n.].

Dyfyniad Arddull Chicago

Proceedings of Regional Training Course On Watershed Resources Management & Environmental Monitoring in Humid and Tropical Ecosystems. Changmai, Thailand: [s.n.], 1981.

Dyfyniad MLA

Proceedings of Regional Training Course On Watershed Resources Management & Environmental Monitoring in Humid and Tropical Ecosystems. Changmai, Thailand: [s.n.], 1981.

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