Gaya APA

SAWREY, J, M., TELFORD, C, W. (1968). Educational psychology : psychological foundations of education (3rd.ed.). Boston: Allyn and Bacon.

Gaya MLA

SAWREY, James, M., TELFORD, Charles, W.. "Educational psychology : psychological foundations of education". 3rd.ed. Boston: Allyn and Bacon, 1968. Buku.