Cita APA (7th ed.)

Buttrick, R. (1997). The project workout: A tool kit for reaping the rewards from all your business projects. Pitman.

Cita Chicago (17th ed.)

Buttrick, Robert. The Project Workout: A Tool Kit for Reaping the Rewards from All Your Business Projects. London: Pitman, 1997.

Cita MLA (9th ed.)

Buttrick, Robert. The Project Workout: A Tool Kit for Reaping the Rewards from All Your Business Projects. Pitman, 1997.

Atenció: Aquestes cites poden no estar 100% correctes.