Gaya APA

Hengstebeck, R, , , , , J. (1959). Petroleum processing : principles and applications (1959). : New York : McGraw Hill Book Co.,.

Gaya MLA

Hengstebeck, R, , , , , J. "Petroleum processing : principles and applications". 1959 : New York : McGraw Hill Book Co.,, 1959. Text.