Gaya APA

SMART, M, S., Smart, R, C. (1978). Preschool Children: Development and Relationships . New York: Macmillan Publishing Co., Inc..

Gaya MLA

SMART, Mollie, S.., Smart, Russell, C.. "Preschool Children: Development and Relationships". New York: Macmillan Publishing Co., Inc., 1978. Text.