Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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