Buttrick, R. (2009). The project workout: The ultimate handbook of project and programme management (4. baskı.). Financial Times/Prentice Hall.
Chicago Style (17. basım) AtıfButtrick, Robert. The Project Workout: The Ultimate Handbook of Project and Programme Management. 4. baskı. Harlow, England ; New York: Financial Times/Prentice Hall, 2009.
MLA (9th ed.) AtıfButtrick, Robert. The Project Workout: The Ultimate Handbook of Project and Programme Management. 4. baskı. Financial Times/Prentice Hall, 2009.
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