Philippines. Bureau of Agricultural Economics. (1971). A report on the integrated agricultural surveys for the crop year ending June 30, 1970. s.n.].
芝加哥风格引文Philippines. Bureau of Agricultural Economics. A Report on the Integrated Agricultural Surveys for the Crop Year Ending June 30, 1970. [Quezon City: s.n.], 1971.
MLA引文Philippines. Bureau of Agricultural Economics. A Report on the Integrated Agricultural Surveys for the Crop Year Ending June 30, 1970. s.n.], 1971.
警告：这些引文格式不一定是100％准确.