Gaya APA

Nelsen, J. (2001). Positive Discipline The First Three Year : Completely Reviseed and Expanded 2nd Edtion (2). New York: Three Rivers Press.

Gaya MLA

Nelsen, Jane. "Positive Discipline The First Three Year : Completely Reviseed and Expanded 2nd Edtion". 2 New York: Three Rivers Press, 2001. Text.