APA (7e ed.) Bronvermelding

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

Chicago (17e ed.) Bronvermelding

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

MLA (9e ed.) Bronvermelding

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