Dyfyniad APA

Gordon, E. R., & Troyka, L. Q. (1993). Simon & Schuster workbook for writers (3rd ed.). Prentice Hall.

Dyfyniad Arddull Chicago

Gordon, Emily R., and Lynn Quitman Troyka. Simon & Schuster Workbook for Writers. 3rd ed. Englewood Cliffs, N.J: Prentice Hall, 1993.

Dyfyniad MLA

Gordon, Emily R., and Lynn Quitman Troyka. Simon & Schuster Workbook for Writers. 3rd ed. Prentice Hall, 1993.

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