Gaya APA

Agustina, B, G. et al (2011). Cradle to gate simple life cycle assessment of biodiesel production in Indonesia (Vol. 15, No. 1, Tahun). : American foundations information service.

Gaya MLA

Agustina, Br., Ginting,. et al. "Cradle to gate simple life cycle assessment of biodiesel production in Indonesia". Vol. 15, No. 1, Tahun : American foundations information service, 2011. Text.