APA
Wali M. K. (., International Congress for Energy and the Ecosystem.University of North Dakota, . (1979). Ecology and coal resource development. New York: Pergamon Press.
Chicago
Wali Mohan K (Ed.), International Congress for Energy and the Ecosystem.University of North Dakota, . 1979. Ecology and coal resource development. New York: Pergamon Press.
Harvard
Wali M. K. (., International Congress for Energy and the Ecosystem.University of North Dakota, . (1979). Ecology and coal resource development. New York: Pergamon Press.
MLA
Wali Mohan K (Ed.), International Congress for Energy and the Ecosystem.University of North Dakota, . Ecology and coal resource development. New York: Pergamon Press. 1979.
