Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

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