APA引用形式

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

シカゴスタイル引用形

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

MLA引用形式

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

警告: この引用は必ずしも正確ではありません.