Dyfyniad APA

Scholes, R., Comley, N. R., & Peritz, J. (1994). The practice of writing (Fourth edition.). St. Martin's Press.

Dyfyniad Arddull Chicago

Scholes, Robert, Nancy R. Comley, and Janice Peritz. The Practice of Writing. Fourth edition. New York: St. Martin's Press, 1994.

Dyfyniad MLA

Scholes, Robert, et al. The Practice of Writing. Fourth edition. St. Martin's Press, 1994.

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