(1997). The Effective Executive Eksekutif Efektif / Peter F. Drucker. Elex Media Komputindo.
Chicago Style (17th ed.) CitationThe Effective Executive Eksekutif Efektif / Peter F. Drucker. Elex Media Komputindo, 1997.
MLA (8th ed.) CitationThe Effective Executive Eksekutif Efektif / Peter F. Drucker. Elex Media Komputindo, 1997.
Warning: These citations may not always be 100% accurate.