(1981). Proceedings of regional training course on Watershed resources management & environmental monitoring in humid and tropical ecosystems. Changmai, Thailand: [s.n.].
استشهاد بنمط شيكاغوProceedings of Regional Training Course On Watershed Resources Management & Environmental Monitoring in Humid and Tropical Ecosystems. Changmai, Thailand: [s.n.], 1981.
MLA استشهادProceedings of Regional Training Course On Watershed Resources Management & Environmental Monitoring in Humid and Tropical Ecosystems. Changmai, Thailand: [s.n.], 1981.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.