Cita APA (7a ed.)

LUDWIG, E. E. (1984). APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS; VOL II. GULF PUBISHING COMPANY.

Cita Chicago Style (17a ed.)

LUDWIG, ERNEST E. APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS; VOL II. GULF PUBISHING COMPANY, 1984.

Cita MLA (8a ed.)

LUDWIG, ERNEST E. APPLIED PROCESS DESIGN FOR CHEMICAL AND PETROCHEMICAL PLANTS; VOL II. GULF PUBISHING COMPANY, 1984.