Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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

Atenció: Aquestes cites poden no estar 100% correctes.