Cita APA (7a ed.)

Francis, D. (1994). Step by step competitive strategy. Routledge.

Cita Chicago Style (17a ed.)

Francis, Dave. Step by Step Competitive Strategy. London [etc.]: Routledge, 1994.

Cita MLA (9a ed.)

Francis, Dave. Step by Step Competitive Strategy. Routledge, 1994.