Strasburger, V. C. (1993). Getting your kids to say no in the 90s when you said yes in the 60s. Simon & Schuster.
Cita Chicago (17th ed.)Strasburger, Victor C. Getting Your Kids to Say No in the 90s When You Said Yes in the 60s. New York: Simon & Schuster, 1993.
Cita MLA (9th ed.)Strasburger, Victor C. Getting Your Kids to Say No in the 90s When You Said Yes in the 60s. Simon & Schuster, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.