Nelsen, J., Erwin, C., & Duffy, R. (2019). Positive discipline for preschoolers: For their early years--raising children who are responsible, respectful, and resourceful (Revised 4th edition.). Harmony Books.
Trích dẫn kiểu Chicago (xuất bản lần thứ 7)Nelsen, Jane, Cheryl Erwin, và Roslyn Duffy. Positive Discipline for Preschoolers: For Their Early Years--raising Children Who Are Responsible, Respectful, and Resourceful. Revised 4th edition. New York: Harmony Books, 2019.
Trích dẫn kiểu MLA (xuất bản lần thứ 8)Nelsen, Jane, et al. Positive Discipline for Preschoolers: For Their Early Years--raising Children Who Are Responsible, Respectful, and Resourceful. Revised 4th edition. Harmony Books, 2019.
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