Cita APA

 Williams, B. K. (2014).  Business: Practical introduction.  Pearson.

Chicago Style Citation

 Williams, Brian K.  Business: Practical Introduction.  Pearson, 2014.

Cita MLA

 Williams, Brian K.  Business: Practical Introduction.  Pearson, 2014.

Atenció: Aquestes cites poden no estar 100% correctes.