APA Citatie

Karlson, D. (2004). Marketing your consulting or professional services.

Chicago Style citaat

Karlson, David. Marketing Your Consulting or Professional Services. Viva Books Pvt. Ltd., New Delhi, 2004.

MLA citatie

Karlson, David. Marketing Your Consulting or Professional Services. 2004.

Let op: Deze citaties zijn niet altijd 100% accuraat.