APA (7e ed.) Bronvermelding

Abis, L. V. Energy generation and utilization. Philippine Engineering Journal.

Chicago (17e ed.) Bronvermelding

Abis, Leopoldo V. "Energy Generation and Utilization." Philippine Engineering Journal .

MLA (9e ed.) Bronvermelding

Abis, Leopoldo V. "Energy Generation and Utilization." Philippine Engineering Journal, .

Let op: Deze citaties zijn niet altijd 100% accuraat.