DRUCKER PETER F. (1992). INNOVATION & ENTREPRENEURSHIP: PRACTICE & PRINCIPLES. EAST WEST BOOK.
Cita Chicago (17th ed.)DRUCKER PETER F. INNOVATION & ENTREPRENEURSHIP: PRACTICE & PRINCIPLES. NEW DELHI: EAST WEST BOOK, 1992.
Cita MLA (9th ed.)DRUCKER PETER F. INNOVATION & ENTREPRENEURSHIP: PRACTICE & PRINCIPLES. EAST WEST BOOK, 1992.
Atenció: Aquestes cites poden no estar 100% correctes.