APA-referens (7:e uppl.)
Elbehri, A., Segerstedt, A., & Liu, P. (2013). Biofuels and the sustainability challenge: A global assessment of sustainability issues, trends and policies for biofuels and related feedstocks. Trade and Markets Division, Food and Agriculture Organization of the United Nations.
Chicago-referens (17:e uppl.)
Elbehri, Aziz, Anna Segerstedt, och Pascal Liu. Biofuels and the Sustainability Challenge: A Global Assessment of Sustainability Issues, Trends and Policies for Biofuels and Related Feedstocks. Rome: Trade and Markets Division, Food and Agriculture Organization of the United Nations, 2013.
MLA-referens (9:e uppl.)
Elbehri, Aziz, et al. Biofuels and the Sustainability Challenge: A Global Assessment of Sustainability Issues, Trends and Policies for Biofuels and Related Feedstocks. Trade and Markets Division, Food and Agriculture Organization of the United Nations, 2013.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.