Cita APA (7th ed.)
Wright, F. L., & Pfeiffer, B. B. (1986). Letters to Clients. California State University.
Cita Chicago (17th ed.)
Wright, Frank Lloyd, i Bruce Brooks Pfeiffer. Letters to Clients. Fresno, EUA: California State University, 1986.
Cita MLA (9th ed.)
Wright, Frank Lloyd, i Bruce Brooks Pfeiffer. Letters to Clients. California State University, 1986.
Atenció: Aquestes cites poden no estar 100% correctes.