Cita APA (7a ed.)

Lannon, M., Trappe, T., & Tullis, G. (1993). Insights into business [grabación sonora]: Cassette 1. [s.n].

Cita Chicago Style (17a ed.)

Lannon, Michael, Tonya Trappe, y Graham Tullis. Insights into Business [grabación Sonora]: Cassette 1. NelSon, U.K: [s.n], 1993.

Cita MLA (9a ed.)

Lannon, Michael, et al. Insights into Business [grabación Sonora]: Cassette 1. [s.n], 1993.