एपीए उद्धरण

Callahan, K. R. B. (2004). Essentials of strategic project management.

शिकागो स्टाइल उद्धरण

Callahan, Kevin R; Brooks. Essentials of Strategic Project Management. John Wiley & Sons, Ltd, 2004.

एमएलए उद्धरण

Callahan, Kevin R; Brooks. Essentials of Strategic Project Management. 2004.