APA-referens

Valdes,Alberto. (1979). Economics and the design of small-farmer technology. Lowa State University Press.

Chicago-stil citat

Valdes,Alberto. Economics and the Design of Small-farmer Technology. IOWA: Lowa State University Press, 1979.

MLA-referens

Valdes,Alberto. Economics and the Design of Small-farmer Technology. Lowa State University Press, 1979.

Varning: dessa hänvisningar är inte alltid fullständigt riktiga.