Citação norma APA

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

Citação norma Chicago

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

Citação norma MLA

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

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.