APA

Nera, Project Management Institute, . (2025). A guide to the project management body of knowledge (PMBOK® guide). Newtown Square, Pa: Project Management Institute.

Chicago

Nera, Project Management Institute, . 2025. A guide to the project management body of knowledge (PMBOK® guide). Newtown Square, Pa: Project Management Institute.

Harvard

Nera, Project Management Institute, . (2025). A guide to the project management body of knowledge (PMBOK® guide). Newtown Square, Pa: Project Management Institute.

MLA

Nera, Project Management Institute, . A guide to the project management body of knowledge (PMBOK® guide). Newtown Square, Pa: Project Management Institute. 2025.