APA (7. basım) Alıntı

Karlson David. (2004). Marketing Your Consulting or Professional Services. Viva Books.

Chicago Style (17. basım) Atıf

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

MLA (9th ed.) Atıf

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