Werner, P. K., Lida R. Baker, & Mary Mitchell Church. (1990). Interactions 2: A communicative grammar (2nd ed.). New York: McGraw - Hill, Inc.
Trích dẫn kiểu ChicagoWerner, Patricia K., Lida R. Baker, và Mary Mitchell Church. Interactions 2: A Communicative Grammar. 2nd ed. New York: McGraw - Hill, Inc, 1990.
Deismireacht MLAWerner, Patricia K., Lida R. Baker, và Mary Mitchell Church. Interactions 2: A Communicative Grammar. 2nd ed. New York: McGraw - Hill, Inc, 1990.
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