Gaya APA

Credibility / James M. Kouzes ; Barry Z. Posner ; foreword by Tom Peters. (1995). San Francisco, CA: Jossey-Bass, c.

Gaya MLA

Credibility / James M. Kouzes ; Barry Z. Posner ; foreword by Tom Peters. . San Francisco, CA: Jossey-Bass, c, 1995. Buku Wajib.