Trích dẫn APA

Niblick, J. The profitable consultant: Starting, growing, and selling your expertise / Jay Niblick. Wiley.

Trích dẫn kiểu Chicago

Niblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise / Jay Niblick. Wiley.

Trích dẫn MLA

Niblick, Jay. The Profitable Consultant: Starting, Growing, and Selling Your Expertise / Jay Niblick. Wiley.

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