Gift, R. E. (1968). Estimating Economic Capacity. University of Kentucky Press.
Cita Chicago Style (17a ed.)Gift, Richard E. Estimating Economic Capacity. Lexington: University of Kentucky Press, 1968.
Cita MLA (8a ed.)Gift, Richard E. Estimating Economic Capacity. University of Kentucky Press, 1968.
Precaución: Estas citas no son 100% exactas.