Cita APA (7th ed.)
Hayden, C. J. (2007). Get clients now!: A 28-day marketing program for professionals, consultants, and coaches (2nd ed.). American Management Association.
Cita Chicago (17th ed.)
Hayden, C. J. Get Clients Now!: A 28-day Marketing Program for Professionals, Consultants, and Coaches. 2nd ed. New York: American Management Association, 2007.
Cita MLA (9th ed.)
Hayden, C. J. Get Clients Now!: A 28-day Marketing Program for Professionals, Consultants, and Coaches. 2nd ed. American Management Association, 2007.
Atenció: Aquestes cites poden no estar 100% correctes.