APA (7th ed.) Zitazioa
Verlander, E. G. (2012). Practice of professional consulting. Jossey-Bass.
Chicago Style (17th ed.) Zitazioa
Verlander, Edward G. Practice of Professional Consulting. [Hoboken, New Jersey]: Jossey-Bass, 2012.
MLA (9th ed.) Zitazioa
Verlander, Edward G. Practice of Professional Consulting. Jossey-Bass, 2012.
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