Dyfyniad APA

Chapman, D. W., & Waller, P. L. (1994). The power of writing. Mountain View, Calif: Mayfield Pub. Co.

Dyfyniad Arddull Chicago

Chapman, David W., và Preston Lynn Waller. The Power of Writing. Mountain View, Calif: Mayfield Pub. Co, 1994.

Dyfyniad MLA

Chapman, David W., và Preston Lynn Waller. The Power of Writing. Mountain View, Calif: Mayfield Pub. Co, 1994.

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