Gaya APA

Papalia, D, E., Duskin, I, O, S, W, I, F, R. (2004). Human development . New York: .

Gaya MLA

Papalia, Diane, E., Duskin, I., Olds,, Sally, Wendkos, II., Feldman,, Ruth. "Human development". New York: , 2004. Text.