APA-viite (7. p.)
Gray, C. F., & Larson, E. W. (2014). Project management: The managerial process (6th ed.). McGraw Hill education (I) Pvt. Ltd.
Chicago-viite (17. p.)
Gray, Clifford F., ja Erik W/Desai Larson. Project Management: The Managerial Process. 6th ed. New Delhi: McGraw Hill education (I) Pvt. Ltd, 2014.
MLA-viite (9. p.)
Gray, Clifford F., ja Erik W/Desai Larson. Project Management: The Managerial Process. 6th ed. McGraw Hill education (I) Pvt. Ltd, 2014.
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