Forward, S., & Frazier, S. (1997). Emotional blackmail: When the people in your life use fear, obligation and guilt to manipulate you. HarperCollins Publishers.
Cita Chicago Style (17a ed.)Forward, Susan, y Susan Frazier. Emotional Blackmail: When the People in Your Life Use Fear, Obligation and Guilt to Manipulate You. New York: HarperCollins Publishers, 1997.
Cita MLA (8a ed.)Forward, Susan, y Susan Frazier. Emotional Blackmail: When the People in Your Life Use Fear, Obligation and Guilt to Manipulate You. HarperCollins Publishers, 1997.
Precaución: Estas citas no son 100% exactas.