Wharton, C. R. (1969). Subsistence agriculture and economic development. Adline.
芝加哥风格引文Wharton, Clifton R. Subsistence Agriculture and Economic Development. Chicago: Adline, 1969.
MLA引文Wharton, Clifton R. Subsistence Agriculture and Economic Development. Adline, 1969.
警告：这些引文格式不一定是100％准确.