Παραπομπή APA

Heady, E. O. (1964). Economics of agricultural production and resource use. Prentice-Hall of India.

Παραπομπή Chicago Style

Heady, Earl O. Economics of Agricultural Production and Resource Use. New Delhi: Prentice-Hall of India, 1964.

Παραπομπή MLA

Heady, Earl O. Economics of Agricultural Production and Resource Use. Prentice-Hall of India, 1964.