Cita APA (7th ed.)

DRUCKER PETER F. (2004). INNOVATION AND ENTREPRENURSHIP. ELSEVIER.

Cita Chicago (17th ed.)

DRUCKER PETER F. INNOVATION AND ENTREPRENURSHIP. AMSTERDAM: ELSEVIER, 2004.

Cita MLA (9th ed.)

DRUCKER PETER F. INNOVATION AND ENTREPRENURSHIP. ELSEVIER, 2004.