Tillman, G. (1981). Environmentally sound small-scale water projects. Coordination in Development ; Volunteers in Technical Assistance.
Citazione stile Chigago Style (17a edizione)Tillman, Gus. Environmentally Sound Small-scale Water Projects. [New York, N.Y.] : [Mt. Rainier, Md.]: Coordination in Development ; Volunteers in Technical Assistance, 1981.
Citatione MLA (8a ed.)Tillman, Gus. Environmentally Sound Small-scale Water Projects. Coordination in Development ; Volunteers in Technical Assistance, 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.