Johnson, S., & Wilson, L. (1986). The one minute sales person. Fontana/Collins.
Cita Chicago Style (17a ed.)Johnson, Spencer, y Larry Wilson. The One Minute Sales Person. Glasgow: Fontana/Collins, 1986.
Cita MLA (8a ed.)Johnson, Spencer, y Larry Wilson. The One Minute Sales Person. Fontana/Collins, 1986.
Precaución: Estas citas no son 100% exactas.