Παραπομπή σε μορφή APA (7η εκδ.)

Tan, R. R., & Culaba, A. B. (2002). Life-cycle environmental benefits of using bioethanol as a gasoline additive. Philippine Engineering Journal.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Tan, Raymond R., και Alvin B. Culaba. "Life-cycle Environmental Benefits of Using Bioethanol as a Gasoline Additive." Philippine Engineering Journal 2002.

Παραπομπή σε μορφή MLA (9th εκδ.)

Tan, Raymond R., και Alvin B. Culaba. "Life-cycle Environmental Benefits of Using Bioethanol as a Gasoline Additive." Philippine Engineering Journal, 2002.