Wisniewska, I., Riggenbach, H., & Samuda, V. (2007). Grammar dimensions 2: Form, meaning, use : level intermediate (4. edition.). Australia: Thomson Heinle.
Citación estilo ChicagoWisniewska, Ingrid, Heidi Riggenbach, y Virginia Samuda. Grammar Dimensions 2: Form, Meaning, Use : Level Intermediate. 4. edition. Australia: Thomson Heinle, 2007.
Cita MLAWisniewska, Ingrid, Heidi Riggenbach, y Virginia Samuda. Grammar Dimensions 2: Form, Meaning, Use : Level Intermediate. 4. edition. Australia: Thomson Heinle, 2007.
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