Cita APA (7a ed.)

Beamish, K., & Ashford, R. (2006). Marketing planning 2006-2007. Butterworth Heinemann.

Cita Chicago Style (17a ed.)

Beamish, Karen, y Ruth Ashford. Marketing Planning 2006-2007. Oxford [etc.]: Butterworth Heinemann, 2006.

Cita MLA (9a ed.)

Beamish, Karen, y Ruth Ashford. Marketing Planning 2006-2007. Butterworth Heinemann, 2006.