Roe, M. M. (1998). Marketing professional services: Winning new business in the professional services sector. Butterworth Heinemann.
Citace podle Chicago (17th ed.)Roe, Michael M. Marketing Professional Services: Winning New Business in the Professional Services Sector. Oxford: Butterworth Heinemann, 1998.
Citace podle MLA (9th ed.)Roe, Michael M. Marketing Professional Services: Winning New Business in the Professional Services Sector. Butterworth Heinemann, 1998.
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