Gaya APA

Edward, D, A., Valette, R, M. (1977). Classroom Techniques: Foreign Languages and English as a Second Language . USA: Harcourt Brace Jovanovich.

Gaya MLA

Edward, David, Allen,., Valette, Rebecca, M. "Classroom Techniques: Foreign Languages and English as a Second Language". USA: Harcourt Brace Jovanovich, 1977. Text.