Παραπομπή APA

Drummond, G., & Ensor, J. (2001). Strategic marketing planning and control (2nd ed.). Butterworth Heinemann.

Παραπομπή Chicago Style

Drummond, Graeme, και John Ensor. Strategic Marketing Planning and Control. 2nd ed. Oxford: Butterworth Heinemann, 2001.

Παραπομπή MLA

Drummond, Graeme, και John Ensor. Strategic Marketing Planning and Control. 2nd ed. Butterworth Heinemann, 2001.