APA aipamena

Connor, D., & Davidson, J. P. (1990). Marketing your consulting and professional services (2nd ed.). Wiley.

Chicago Style aipamena

Connor, Dick, and Jeffrey P. Davidson. Marketing Your Consulting and Professional Services. 2nd ed. New York: Wiley, 1990.

MLA aipamena

Connor, Dick, and Jeffrey P. Davidson. Marketing Your Consulting and Professional Services. 2nd ed. Wiley, 1990.