APA (7e ed.) Bronvermelding

Heady, E. O. (1952). Economics of agricultural production and resource use. Prentice-Hall.

Chicago (17e ed.) Bronvermelding

Heady, Earl O. Economics of Agricultural Production and Resource Use. Englewood Cliffs, N.J.: Prentice-Hall, 1952.

MLA (9e ed.) Bronvermelding

Heady, Earl O. Economics of Agricultural Production and Resource Use. Prentice-Hall, 1952.