APA সাইটেশন

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

শিকাগো স্টাইলে সাইটেশন

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

এমএলএ সাইটেশন

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