APA引用形式

Heady, E. O. (1962). Agricultural policy under economic development. Ames, Iowa, U.S.A: Iowa State University Press.

シカゴスタイル引用形

Heady, Earl O. Agricultural Policy Under Economic Development. Ames, Iowa, U.S.A: Iowa State University Press, 1962.

MLA引用形式

Heady, Earl O. Agricultural Policy Under Economic Development. Ames, Iowa, U.S.A: Iowa State University Press, 1962.

警告: この引用は必ずしも正確ではありません.