Heady, E. O. a. J. (1954). Farm management economics. Prentice-Hall.
Chicago-čujuhus (17. p.)Heady, Earl O. and Jensen. Farm Management Economics. New York: Prentice-Hall, 1954.
MLA-čujuhus (9. p.)Heady, Earl O. and Jensen. Farm Management Economics. Prentice-Hall, 1954.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.