(1973). Catalogue of Philippine scientific and technological studies: Agriculture. National Science Development Board.
Chicagoスタイル(17版)引用形式Catalogue of Philippine Scientific and Technological Studies: Agriculture. Manile: National Science Development Board, 1973.
MLA(9版)引用形式Catalogue of Philippine Scientific and Technological Studies: Agriculture. National Science Development Board, 1973.
警告: この引用は必ずしも正確ではありません.