Phillips, J. (2022). PMP: Project management professional exam guide. McGraw-Hill Education.
Chicago-referens (17:e uppl.)Phillips, Joseph. PMP: Project Management Professional Exam Guide. New York: McGraw-Hill Education, 2022.
MLA-referens (9:e uppl.)Phillips, Joseph. PMP: Project Management Professional Exam Guide. McGraw-Hill Education, 2022.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.