Stevens, H. (2009). Achieve Sales Excellence. Kogan Page India.
Cita Chicago Style (17a ed.)Stevens, Howard. Achieve Sales Excellence. New Delhi: Kogan Page India, 2009.
Cita MLA (9a ed.)Stevens, Howard. Achieve Sales Excellence. Kogan Page India, 2009.
Precaución: Estas citas no son 100% exactas.