Gaya APA

Marshall., L, A, S, ;, R, G, C, ;, M, E. (1988). Child development: its nature and course . New York: Alfred A Knoff.

Gaya MLA

Marshall., L., Alan, Sroufe, ;, Robert, G., Cooper, ;, Mary, E.. "Child development: its nature and course". New York: Alfred A Knoff, 1988. Text.