APA
Grenon M., . (1979). Future coal supply for the world energy balance: Third IIASA conference on energy resources, Nov 28-Dec 2, 1977. Oxford: Pergamon.
Chicago
Grenon Michel, . 1979. Future coal supply for the world energy balance: Third IIASA conference on energy resources, Nov 28-Dec 2, 1977. Oxford: Pergamon.
Harvard
Grenon M., . (1979). Future coal supply for the world energy balance: Third IIASA conference on energy resources, Nov 28-Dec 2, 1977. Oxford: Pergamon.
MLA
Grenon Michel, . Future coal supply for the world energy balance: Third IIASA conference on energy resources, Nov 28-Dec 2, 1977. Oxford: Pergamon. 1979.
