Stultz, R. (1990). The business side of writing. Word ware.
Cita Chicago (17th ed.)Stultz, Russell. The Business Side of Writing. Texas: Word ware, 1990.
Cita MLA (9th ed.)Stultz, Russell. The Business Side of Writing. Word ware, 1990.
Atenció: Aquestes cites poden no estar 100% correctes.