Cita APA

 Nickels, W. G. (2012).  Business: Connecting principles to practice.  McGraw-Hill/Irwin.

Chicago Style Citation

 Nickels, William G.  Business: Connecting Principles to Practice.  McGraw-Hill/Irwin, 2012.

Cita MLA

 Nickels, William G.  Business: Connecting Principles to Practice.  McGraw-Hill/Irwin, 2012.

Atenció: Aquestes cites poden no estar 100% correctes.