Barnet, S., & Stubbs, M. (1986). Practical Guide to Writing (quinta edición.). Little, Brown andd Company.
Dyfyniad Arddull ChicagoBarnet, Sylvan, and Marcia Stubbs. Practical Guide to Writing. quinta edición. Boston: Little, Brown andd Company, 1986.
Dyfyniad MLABarnet, Sylvan, and Marcia Stubbs. Practical Guide to Writing. quinta edición. Little, Brown andd Company, 1986.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.