APA (7. basım) Alıntı

DRUCKER PETER F. (2010). CHANGING WORLD OF THE EXECUTIVE. HARVARD BUSINESS.

Chicago Style (17. basım) Atıf

DRUCKER PETER F. CHANGING WORLD OF THE EXECUTIVE. BOSTON: HARVARD BUSINESS, 2010.

MLA (9th ed.) Atıf

DRUCKER PETER F. CHANGING WORLD OF THE EXECUTIVE. HARVARD BUSINESS, 2010.