Gaya APA

Merritt, P, C. (1978). Coal Age Operating Handbook of Coal Preparation: Vol 3- Coal Age Library of Operating Handbooks . New York: McGraw-Hill Inc..

Gaya MLA

Merritt, Paul, C.. "Coal Age Operating Handbook of Coal Preparation: Vol 3- Coal Age Library of Operating Handbooks". New York: McGraw-Hill Inc., 1978. Text.