Philippines. Bureau of Agricultural Economics. (1971). A report on the integrated agricultural surveys for the crop year ending June 30, 1970. s.n.].
Citazione stile Chigago Style (17a edizione)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.
Citatione MLA (9a ed.)Philippines. Bureau of Agricultural Economics. A Report on the Integrated Agricultural Surveys for the Crop Year Ending June 30, 1970. s.n.], 1971.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.