Mager, R. F. (1972). Goal analysis. Fearon Publishers.
Cita Chicago (17th ed.)Mager, Robert Frank. Goal Analysis. Belmont, Calif.: Fearon Publishers, 1972.
Cita MLA (8th ed.)Mager, Robert Frank. Goal Analysis. Fearon Publishers, 1972.
Atenció: Aquestes cites poden no estar 100% correctes.