APA (7th ed.) Zitazioa

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

Chicago Style (17th ed.) Zitazioa

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

MLA (9th ed.) Zitazioa

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