Tan, R. R., & Culaba, A. B. (2002). Life-cycle environmental benefits of using bioethanol as a gasoline additive. Philippine Engineering Journal.
Lua i Stíl Chicago (17ú heag.)Tan, Raymond R., agus Alvin B. Culaba. "Life-cycle Environmental Benefits of Using Bioethanol as a Gasoline Additive." Philippine Engineering Journal 2002.
Lua MLA (9ú heag.)Tan, Raymond R., agus Alvin B. Culaba. "Life-cycle Environmental Benefits of Using Bioethanol as a Gasoline Additive." Philippine Engineering Journal, 2002.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.