Cita APA (7th ed.)

DRUCKER PETER F. (1985). INNOVATION AND ENTREPRENEURSHIP. WILLIAM HEINEMANN LTD.

Cita Chicago (17th ed.)

DRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP. LONDON: WILLIAM HEINEMANN LTD, 1985.

Cita MLA (9th ed.)

DRUCKER PETER F. INNOVATION AND ENTREPRENEURSHIP. WILLIAM HEINEMANN LTD, 1985.