Drucker, P. F. (2003). Drucker esencial: Peter Drucker. Edhasa.
Chicago Style (17th ed.) CitationDrucker, Peter F. Drucker Esencial: Peter Drucker. Barcelona: Edhasa, 2003.
MLA (8th ed.) CitationDrucker, Peter F. Drucker Esencial: Peter Drucker. Edhasa, 2003.
Warning: These citations may not always be 100% accurate.