Cita APA (7th ed.)

DRUCHER PETER F. (1985). INNOVATION AND ENTERPRENEURSHIP. HARPER & ROW.

Cita Chicago (17th ed.)

DRUCHER PETER F. INNOVATION AND ENTERPRENEURSHIP. NEW YORK: HARPER & ROW, 1985.

Cita MLA (9th ed.)

DRUCHER PETER F. INNOVATION AND ENTERPRENEURSHIP. HARPER & ROW, 1985.