APA

(2008). A guide to the project management body of knowledge. Newton Square, Pensilvania: Project Management Institute, Inc.

Chicago

2008. A guide to the project management body of knowledge. Newton Square, Pensilvania: Project Management Institute, Inc.

Harvard

(2008). A guide to the project management body of knowledge. Newton Square, Pensilvania: Project Management Institute, Inc.

MLA

A guide to the project management body of knowledge. Newton Square, Pensilvania: Project Management Institute, Inc. 2008.