Dietsch, B. M. (2003). Reasoning and writing well: A rhetoric, research guide, reader, and handbook. Boston: Mc Graw Hill.
Dyfyniad Arddull ChicagoDietsch, Betty Mattix. Reasoning and Writing Well: A Rhetoric, Research Guide, Reader, and Handbook. Boston: Mc Graw Hill, 2003.
Dyfyniad MLADietsch, Betty Mattix. Reasoning and Writing Well: A Rhetoric, Research Guide, Reader, and Handbook. Boston: Mc Graw Hill, 2003.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.