Dyfyniad APA

PERRY ROBERT H. (1987). PERRY'S CHEMICAL ENGINEER'S HANDBOOK. MCGRAW-HILL.

Dyfyniad Arddull Chicago

PERRY ROBERT H. PERRY'S CHEMICAL ENGINEER'S HANDBOOK. MCGRAW HILL: MCGRAW-HILL, 1987.

Dyfyniad MLA

PERRY ROBERT H. PERRY'S CHEMICAL ENGINEER'S HANDBOOK. MCGRAW-HILL, 1987.

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