Olgado, S. (1979). White potato socio-economic and marketing study: Philippines. Special Studies Division, Dept. of Agriculture.
Chicagoスタイル(17版)引用形式Olgado, S.S. White Potato Socio-economic and Marketing Study: Philippines. Quezon City: Special Studies Division, Dept. of Agriculture, 1979.
MLA(9版)引用形式Olgado, S.S. White Potato Socio-economic and Marketing Study: Philippines. Special Studies Division, Dept. of Agriculture, 1979.
警告: この引用は必ずしも正確ではありません.