Connor, R. A., & Davidson, J. P. (1987). Getting new clients. Wiley.
Cita Chicago (17th ed.)Connor, Richard A., i Jeffrey P. Davidson. Getting New Clients. New York: Wiley, 1987.
Cita MLA (8th ed.)Connor, Richard A., i Jeffrey P. Davidson. Getting New Clients. Wiley, 1987.
Atenció: Aquestes cites poden no estar 100% correctes.