APA

Project Management Institute, Knovel A. G. E. &. P. A., Knovel General Engineering & Project Administration Library - Academic Collection - Premium Content & O'Reilly Online Learning: Academic/Public Library Edition. (2013). A guide to the project management body of knowledge (PMBOK guide). Newtown Square, Pennsylvania: Project Management Institute, Inc.

Chicago

Project Management Institute, Knovel Academic General Engineering & Project Administration, Knovel General Engineering & Project Administration Library - Academic Collection - Premium Content and O'Reilly Online Learning: Academic/Public Library Edition. 2013. A guide to the project management body of knowledge (PMBOK guide). Newtown Square, Pennsylvania: Project Management Institute, Inc.

Harvard

Project Management Institute, Knovel A. G. E. &. P. A., Knovel General Engineering & Project Administration Library - Academic Collection - Premium Content and O'Reilly Online Learning: Academic/Public Library Edition. (2013). A guide to the project management body of knowledge (PMBOK guide). Newtown Square, Pennsylvania: Project Management Institute, Inc.

MLA

Project Management Institute, Knovel Academic General Engineering & Project Administration, Knovel General Engineering & Project Administration Library - Academic Collection - Premium Content and O'Reilly Online Learning: Academic/Public Library Edition. A guide to the project management body of knowledge (PMBOK guide). Newtown Square, Pennsylvania: Project Management Institute, Inc. 2013.