Dyfyniad APA

Allen, E. D., & Valette, R. M. (1977). Classroom techniques: Foreign languages and English as a second language. Harcourt Brace Jovanovich.

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.