Cita APA (7th ed.)

Porter, M. E. (2008). Michael E. Porter On Competition. Bloomsbury Publishing Plc.

Cita Chicago (17th ed.)

Porter, Michael E. Michael E. Porter On Competition. London: Bloomsbury Publishing Plc, 2008.

Cita MLA (9th ed.)

Porter, Michael E. Michael E. Porter On Competition. Bloomsbury Publishing Plc, 2008.