Citazione Stile APA (7a Edizione)

HOUGEN O A. (2004). CHEMICAL PROCESS PRINCIPLES PART II 2ND ED (2ND ED.). CBS PUBLISHERS & DISTRIBUTORS.

Citazione stile Chigago Style (17a edizione)

HOUGEN O A. CHEMICAL PROCESS PRINCIPLES PART II 2ND ED. 2ND ED. NEW DELHI: CBS PUBLISHERS & DISTRIBUTORS, 2004.

Citatione MLA (9a ed.)

HOUGEN O A. CHEMICAL PROCESS PRINCIPLES PART II 2ND ED. 2ND ED. CBS PUBLISHERS & DISTRIBUTORS, 2004.