DRUCKER PETER F. (1992). INNOVATION & ENTREPRENEURSHIP: PRACTICE & PRINCIPLES. EAST WEST BOOK.
Chicago Style (17. basım) AtıfDRUCKER PETER F. INNOVATION & ENTREPRENEURSHIP: PRACTICE & PRINCIPLES. NEW DELHI: EAST WEST BOOK, 1992.
MLA (9th ed.) AtıfDRUCKER PETER F. INNOVATION & ENTREPRENEURSHIP: PRACTICE & PRINCIPLES. EAST WEST BOOK, 1992.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..