Cita APA (7th ed.)

Johnson, S., & Wilson, L. (1986). The one minute sales person. Fontana/Collins.

Cita Chicago (17th ed.)

Johnson, Spencer, i Larry Wilson. The One Minute Sales Person. Glasgow: Fontana/Collins, 1986.

Cita MLA (8th ed.)

Johnson, Spencer, i Larry Wilson. The One Minute Sales Person. Fontana/Collins, 1986.