Citazione Stile APA (7a Edizione)

LUDWIG, E. E. (1997). Applied process design for chemical and petrochemical plants (Ed.32.). Gulf Professional Publishing.

Citazione stile Chigago Style (17a edizione)

LUDWIG, Ernest E. Applied Process Design for Chemical and Petrochemical Plants. Ed.32. Texas: Gulf Professional Publishing, 1997.

Citatione MLA (9a ed.)

LUDWIG, Ernest E. Applied Process Design for Chemical and Petrochemical Plants. Ed.32. Gulf Professional Publishing, 1997.