Gaya APA

Lubis, M, S., McKetta, J, J. (1981). Encyclopedia Of Chemical Procesing And Design 13: Cracking, Catalytic To Crystallization . New York: Marcel Dekker, Inc..

Gaya MLA

Lubis, M., Solly., McKetta, John, J.. "Encyclopedia Of Chemical Procesing And Design 13: Cracking, Catalytic To Crystallization". New York: Marcel Dekker, Inc., 1981. Text.