Fleck, C. (2025). Validation: How the skill set that revolutionized psychology will transform your relationships, increase your influence, and change your life. Avery, an imprint of Penguin Random House.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Fleck, Caroline. Validation: How the Skill Set That Revolutionized Psychology Will Transform Your Relationships, Increase Your Influence, and Change Your Life. New York: Avery, an imprint of Penguin Random House, 2025.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Fleck, Caroline. Validation: How the Skill Set That Revolutionized Psychology Will Transform Your Relationships, Increase Your Influence, and Change Your Life. Avery, an imprint of Penguin Random House, 2025.
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