Bower, S. A., & Bower, G. H. (1991). Asserting yourself: A practical guide for positive change (Updated edition.). Addison-Wesley.
Citação norma ChicagoBower, Sharon Anthony, and Gordon H. Bower. Asserting Yourself: A Practical Guide for Positive Change. Updated edition. Reading, Mass: Addison-Wesley, 1991.
Citação norma MLABower, Sharon Anthony, and Gordon H. Bower. Asserting Yourself: A Practical Guide for Positive Change. Updated edition. Addison-Wesley, 1991.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.