APA (7e ed.) Bronvermelding

Bower, S. A., & Bower, G. H. (1976). Asserting yourself: A practical guide for positive change. Addison-Wesley Pub. Co.

Chicago (17e ed.) Bronvermelding

Bower, Sharon Anthony, en Gordon H. Bower. Asserting Yourself: A Practical Guide for Positive Change. Reading, Mass: Addison-Wesley Pub. Co, 1976.

MLA (9e ed.) Bronvermelding

Bower, Sharon Anthony, en Gordon H. Bower. Asserting Yourself: A Practical Guide for Positive Change. Addison-Wesley Pub. Co, 1976.