Cita APA

 Angel, G. G. (2010).  PMP certification: A beginner’s guide.  McGraw-Hill.

Chicago Style Citation

 Angel, George G.  PMP Certification: A Beginner’s Guide.  McGraw-Hill, 2010.

Cita MLA

 Angel, George G.  PMP Certification: A Beginner’s Guide.  McGraw-Hill, 2010.

Atenció: Aquestes cites poden no estar 100% correctes.