Gittinger, J. P. (1966). The literature of agricultural planning. National Planning Association.
Cita Chicago Style (17a ed.)Gittinger, James Price. The Literature of Agricultural Planning. [Washington]: National Planning Association, 1966.
Cita MLA (9a ed.)Gittinger, James Price. The Literature of Agricultural Planning. National Planning Association, 1966.
Precaución: Estas citas no son 100% exactas.