John C. Mazwell. (2008). 21 kunci pemimpin efektif. Selangor: Pts Professional.
Chicago Style CitationJohn C. Mazwell. 21 Kunci Pemimpin Efektif. Selangor: Pts Professional, 2008.
MLA CitationJohn C. Mazwell. 21 Kunci Pemimpin Efektif. Selangor: Pts Professional, 2008.
Warning: These citations may not always be 100% accurate.