APA
Nickels W. G., McHugh J. M. & McHugh S. M. (2002). Understanding business. Boston: McGraw-Hill.
Chicago
Nickels William G, McHugh James M and McHugh Susan M. 2002. Understanding business. Boston: McGraw-Hill.
Harvard
Nickels W. G., McHugh J. M. and McHugh S. M. (2002). Understanding business. Boston: McGraw-Hill.
MLA
Nickels William G, McHugh James M and McHugh Susan M. Understanding business. Boston: McGraw-Hill. 2002.
