APA
Breag G. R. a. C. A. E., . (1979). Producer gas: its potential and application in developing countries. London, England: Tropical products institute.
Chicago
Breag G R and Chittenden A E, . 1979. Producer gas: its potential and application in developing countries. London, England: Tropical products institute.
Harvard
Breag G. R. a. C. A. E., . (1979). Producer gas: its potential and application in developing countries. London, England: Tropical products institute.
MLA
Breag G R and Chittenden A E, . Producer gas: its potential and application in developing countries. London, England: Tropical products institute. 1979.