Cita APA (7th ed.)

Mah, R. (2007). Difficult behavior in early childhood: Positive discipline for PreK-3 classrooms and beyond. Corwin Press.

Cita Chicago (17th ed.)

Mah, Ronald. Difficult Behavior in Early Childhood: Positive Discipline for PreK-3 Classrooms and Beyond. Thousand Oaks, Calif: Corwin Press, 2007.

Cita MLA (9th ed.)

Mah, Ronald. Difficult Behavior in Early Childhood: Positive Discipline for PreK-3 Classrooms and Beyond. Corwin Press, 2007.