Cita APA (7a ed.)

Macey, T. J. (1988). The role of social comparison in the development of learned helplessness. University Microfilms International.

Cita Chicago Style (17a ed.)

Macey, Terri Jeanne. The Role of Social Comparison in the Development of Learned Helplessness. Ann Arbor: University Microfilms International, 1988.

Cita MLA (9a ed.)

Macey, Terri Jeanne. The Role of Social Comparison in the Development of Learned Helplessness. University Microfilms International, 1988.