Nickels, W. G., McHugh, J. M., & McHugh, S. M. (2002). Understanding business today: A photo essay. McGraw Hill, Irwin.
Citazione stile Chigago Style (17a edizione)Nickels, William G., James M. McHugh, e Susan M. McHugh. Understanding Business Today: A Photo Essay. New York: McGraw Hill, Irwin, 2002.
Citatione MLA (9a ed.)Nickels, William G., et al. Understanding Business Today: A Photo Essay. McGraw Hill, Irwin, 2002.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.