Philippines. Bureau of Agricultural Statistics. (1991). Agricultural indicators system. BAS.
Chicagoスタイル(17版)引用形式Philippines. Bureau of Agricultural Statistics. Agricultural Indicators System. [Quezon City: BAS, 1991.
MLA(9版)引用形式Philippines. Bureau of Agricultural Statistics. Agricultural Indicators System. BAS, 1991.
警告: この引用は必ずしも正確ではありません.