APA-referens (7:e uppl.)

Thao, T. D. (2001). On-site costs and benefits of soil conservation in the mountainous regions of North Vietnam. Economy and Environment Program for Southeast Asia.

Chicago-referens (17:e uppl.)

Thao, Tran Dinh. On-site Costs and Benefits of Soil Conservation in the Mountainous Regions of North Vietnam. Singapore: Economy and Environment Program for Southeast Asia, 2001.

MLA-referens (9:e uppl.)

Thao, Tran Dinh. On-site Costs and Benefits of Soil Conservation in the Mountainous Regions of North Vietnam. Economy and Environment Program for Southeast Asia, 2001.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.