Brock, S. L. (1996). Better business writing: Techniques for improving correspondence (3rd ed.). Crisp Publication.
Cita Chicago (17th ed.)Brock, Susan L. Better Business Writing: Techniques for Improving Correspondence. 3rd ed. California: Crisp Publication, 1996.
Cita MLA (9th ed.)Brock, Susan L. Better Business Writing: Techniques for Improving Correspondence. 3rd ed. Crisp Publication, 1996.
Atenció: Aquestes cites poden no estar 100% correctes.