APA (7e ed.) Bronvermelding

Tan, R. R., & Culaba, A. B. Life-cycle environmental benefits of using bioethanol as a gasoline additive. Philippine Engineering Journal.

Chicago (17e ed.) Bronvermelding

Tan, Raymond R., en Alvin B. Culaba. "Life-cycle Environmental Benefits of Using Bioethanol as a Gasoline Additive." Philippine Engineering Journal .

MLA (9e ed.) Bronvermelding

Tan, Raymond R., en Alvin B. Culaba. "Life-cycle Environmental Benefits of Using Bioethanol as a Gasoline Additive." Philippine Engineering Journal, .