Singer, K. (1995). The joy of practical parenting. HIS.
Cita Chicago (17th ed.)Singer, Kurt. The Joy of Practical Parenting. Berne: HIS, 1995.
Cita MLA (9th ed.)Singer, Kurt. The Joy of Practical Parenting. HIS, 1995.
Atenció: Aquestes cites poden no estar 100% correctes.