Não informado. (2000). Philippine Journal of Science. National Science Development Board.
Chicagoスタイル(17版)引用形式Não informado. Philippine Journal of Science. Manila: National Science Development Board, 2000.
MLA(8版)引用形式Não informado. Philippine Journal of Science. National Science Development Board, 2000.
警告: この引用は必ずしも正確ではありません.