Lestina, Veronica Lee, and Cynthia M. Walljasper. “Proposed Standard for Multiple Relationships in the APA Ethical Principles of Psychologists and the Code of Conduct”. Graduate Student Journal of Psychology 9 (January 1, 2007): 25–32. Accessed July 18, 2024. https://journals.library.columbia.edu/index.php/gsjp/article/view/10821.