APA (7. basım) Alıntı

Roe, M. M. (1998). Marketing professional services: Winning new business in the professional services sector. Butterworth Heinemann.

Chicago Style (17. basım) Atıf

Roe, Michael M. Marketing Professional Services: Winning New Business in the Professional Services Sector. Oxford: Butterworth Heinemann, 1998.

MLA (9th ed.) Atıf

Roe, Michael M. Marketing Professional Services: Winning New Business in the Professional Services Sector. Butterworth Heinemann, 1998.