Chastain, K. (1976). Developing second-language skills: Theory to practice (2d ed.). Rand McNally College Pub.
Cita Chicago (17th ed.)Chastain, Kenneth. Developing Second-language Skills: Theory to Practice. 2d ed. Chicago: Rand McNally College Pub, 1976.
Cita MLA (9th ed.)Chastain, Kenneth. Developing Second-language Skills: Theory to Practice. 2d ed. Rand McNally College Pub, 1976.
Atenció: Aquestes cites poden no estar 100% correctes.