Gittinger, J. P. (1966). The literature of agricultural planning. National Planning Association.
芝加哥风格引文Gittinger, James Price. The Literature of Agricultural Planning. [Washington]: National Planning Association, 1966.
MLA引文Gittinger, James Price. The Literature of Agricultural Planning. National Planning Association, 1966.
警告：这些引文格式不一定是100％准确.