APA Style

Heady, Earl O.. (1972). Agricultural production functions . Lowa: Lowa : The Lowa State University Press, 1960.

Chicago Style

Heady, Earl O.. Agricultural production functions. Lowa: Lowa : The Lowa State University Press, 1960, 1972. Buku Teks.

MLA Style

Heady, Earl O.. Agricultural production functions. Lowa: Lowa : The Lowa State University Press, 1960, 1972. Buku Teks.

Turabian Style

Heady, Earl O.. Agricultural production functions. Lowa: Lowa : The Lowa State University Press, 1960, 1972. Buku Teks.