Gaya APA

Petty, W, T., Jensen, J, M. (1980). Developing Childrern's Language (Ed. 1). Boston: Allyn And Bacon, Inc..

Gaya MLA

Petty, Walter, T.., Jensen, Julie, M.. "Developing Childrern's Language". Ed. 1 Boston: Allyn And Bacon, Inc., 1980. Text.