Cita APA (7th ed.)

Nickels, W. G., Mchugh, J. M., & Mchugh, S. M. (2013). Understanding Business. Mcgraw Hill.

Cita Chicago (17th ed.)

Nickels, William G., James M. Mchugh, i Susan M. Mchugh. Understanding Business. New Delhi: Mcgraw Hill, 2013.

Cita MLA (9th ed.)

Nickels, William G., et al. Understanding Business. Mcgraw Hill, 2013.