Trích dẫn APA

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

Trích dẫn kiểu Chicago

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

Trích dẫn MLA

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

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.