Cita APA (7th ed.)

DRUCKER PETER F. (2009). INNOVATION AND ENTREPRENEURSHIP. BUTTERWORRTH HEINEMANN.

Cita Chicago (17th ed.)

DRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP. India: BUTTERWORRTH HEINEMANN, 2009.

Cita MLA (9th ed.)

DRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP. BUTTERWORRTH HEINEMANN, 2009.