Greene, J. (2018). Head First PMP (4th.). Shroff Publishers and Distributors Private Limited.
Chicago-viite (17. p.)Greene, Jennifer. Head First PMP. 4th. Navi Mumbai: Shroff Publishers and Distributors Private Limited, 2018.
MLA-viite (9. p.)Greene, Jennifer. Head First PMP. 4th. Shroff Publishers and Distributors Private Limited, 2018.
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