APA (7e ed.) Bronvermelding

MICHAEL, E. P. (1991). Michael E. Porter On Competition And Strategy. Harvard Business School Pess.

Chicago (17e ed.) Bronvermelding

MICHAEL, E Porter. Michael E. Porter On Competition And Strategy. Harvard Business School Pess, 1991.

MLA (8e ed.) Bronvermelding

MICHAEL, E Porter. Michael E. Porter On Competition And Strategy. Harvard Business School Pess, 1991.

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