Dyfyniad APA

LUDWIG, E. E. (1983). APPLIED PROCESS DESIGN FOR CHEMICAL PETROCHEMICAL PLANTS , V-3. GULF PUB.

Dyfyniad Arddull Chicago

LUDWIG, E E. APPLIED PROCESS DESIGN FOR CHEMICAL PETROCHEMICAL PLANTS , V-3. HOUSTON: GULF PUB, 1983.

Dyfyniad MLA

LUDWIG, E E. APPLIED PROCESS DESIGN FOR CHEMICAL PETROCHEMICAL PLANTS , V-3. GULF PUB, 1983.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.