APA (7th ed.) Citation

Lannon, M., Tullis, G., & Trappe, T. (1993). Insights into business. Nelson english language teaching.

Chicago Style (17th ed.) Citation

Lannon, Michael, Graham Tullis, and Tonya Trappe. Insights into Business. Londres: Nelson english language teaching, 1993.

MLA (9th ed.) Citation

Lannon, Michael, et al. Insights into Business. Nelson english language teaching, 1993.