Cita APA (7th ed.)

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

Cita Chicago (17th ed.)

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

Cita MLA (9th ed.)

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