APA (7e ed.) Bronvermelding

Drucker, P. F. (1991). Innovation & entrepreneurship. Altrliated east- west.

Chicago (17e ed.) Bronvermelding

Drucker, Peter F. Innovation & Entrepreneurship. New delhi: Altrliated east- west, 1991.

MLA (9e ed.) Bronvermelding

Drucker, Peter F. Innovation & Entrepreneurship. Altrliated east- west, 1991.

Let op: Deze citaties zijn niet altijd 100% accuraat.