Research digest. U.P. Office of Research Coordination.
Chicagoスタイル(17版)引用形式Research Digest. Quezon City: U.P. Office of Research Coordination.
MLA(9版)引用形式Research Digest. U.P. Office of Research Coordination.
警告: この引用は必ずしも正確ではありません.
APA(7版)引用形式