Gaya APA
Badin, E. (1984).
Coal Science and Technology 6 :Coal Combustion Chemistry-Correlation Aspects .
United States of America:
Elsevier.
Gaya MLA
Badin, E.J..
"Coal Science and Technology 6 :Coal Combustion Chemistry-Correlation Aspects".
United States of America:
Elsevier,
1984.
Text.