Kaeser, F. (2011). What your child needs to know about sex (and when): A straight-talking guide for parents. Celestial Arts.
Cita Chicago Style (17a ed.)Kaeser, Fred. What Your Child Needs to Know About Sex (and When): A Straight-talking Guide for Parents. Berkeley: Celestial Arts, 2011.
Cita MLA (8a ed.)Kaeser, Fred. What Your Child Needs to Know About Sex (and When): A Straight-talking Guide for Parents. Celestial Arts, 2011.
Precaución: Estas citas no son 100% exactas.