Cita APA (7a ed.)

Hall, D., Jones, R., Raffo, C., Chambers, I., & Gray, D. (1999). Business studies (2nd ed.). Causeway Press.

Cita Chicago Style (17a ed.)

Hall, Dave, Rob Jones, Carlo Raffo, Ian Chambers, y David Gray. Business Studies. 2nd ed. Ormskirk, Lancs: Causeway Press, 1999.

Cita MLA (9a ed.)

Hall, Dave, et al. Business Studies. 2nd ed. Causeway Press, 1999.