255583 Weiss, A. (1992). Million dollar consulting: The professional's guide to growing a practice. New York : McGraw-Hill.
Cita Chicago (17th ed.)255583 Weiss, Alan. Million Dollar Consulting: The Professional's Guide to Growing a Practice. New York : McGraw-Hill, 1992.
Cita MLA (9th ed.)255583 Weiss, Alan. Million Dollar Consulting: The Professional's Guide to Growing a Practice. New York : McGraw-Hill, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.