APA-viite (7. p.)
Lewis, J. P. (2007). Fundamentals of project management (3rd ed.). American Management Association.
Chicago-viite (17. p.)
Lewis, James P. Fundamentals of Project Management. 3rd ed. New York: American Management Association, 2007.
MLA-viite (9. p.)
Lewis, James P. Fundamentals of Project Management. 3rd ed. American Management Association, 2007.
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