APA aipamena

Crisologo, R. T. (1988). Information system: Production planning system National Power Corporation. College of Engineering.

Chicago Style aipamena

Crisologo, Ralph T. Information System: Production Planning System National Power Corporation. Diliman, Quezon City: College of Engineering, 1988.

MLA aipamena

Crisologo, Ralph T. Information System: Production Planning System National Power Corporation. College of Engineering, 1988.