APA
(1992). Environmentally sound management of low-grade fuels. New York: Stockhom Environment Institute.
Chicago
1992. Environmentally sound management of low-grade fuels. New York: Stockhom Environment Institute.
Harvard
(1992). Environmentally sound management of low-grade fuels. New York: Stockhom Environment Institute.
MLA
Environmentally sound management of low-grade fuels. New York: Stockhom Environment Institute. 1992.