Nelsen, E., & Ryan, A. (2019). Positive discipline for preschoolers: For their early years-raising children who are responsible, respectful, and resourceful, revised (Unabridged, 4.). Tantor Media.
Cita Chicago Style (17a ed.)Nelsen, EDD, y Allyson Ryan. Positive Discipline for Preschoolers: For Their Early Years-raising Children Who Are Responsible, Respectful, and Resourceful, Revised. Unabridged, 4. Old Saybrook: Tantor Media, 2019.
Cita MLA (8a ed.)Nelsen, EDD, y Allyson Ryan. Positive Discipline for Preschoolers: For Their Early Years-raising Children Who Are Responsible, Respectful, and Resourceful, Revised. Unabridged, 4. Tantor Media, 2019.
Precaución: Estas citas no son 100% exactas.