Wright, N. (1971). Improving your self-image. Harvest house.
Cita Chicago (17th ed.)Wright, Norman. Improving Your Self-image. Irvine: Harvest house, 1971.
Cita MLA (9th ed.)Wright, Norman. Improving Your Self-image. Harvest house, 1971.
Atenció: Aquestes cites poden no estar 100% correctes.