APA ציטוט

 Sheffrey, T. (2006).  PMPCAPM exam preparation guide.  Wiley.

Trích dẫn kiểu Chicago

 Sheffrey, Thomas.  PMPCAPM Exam Preparation Guide.  Wiley, 2006.

ציטוט MLA

 Sheffrey, Thomas.  PMPCAPM Exam Preparation Guide.  Wiley, 2006.