Frodesen, J., & Eyring, J. (1997). Grammar dimensions, book four: Form, meaning, and use (2. edition.). Pacific Grove: Heinle & Heinle.
Citación estilo ChicagoFrodesen, Jan, y Janet Eyring. Grammar Dimensions, Book Four: Form, Meaning, and Use. 2. edition. Pacific Grove: Heinle & Heinle, 1997.
Cita MLAFrodesen, Jan, y Janet Eyring. Grammar Dimensions, Book Four: Form, Meaning, and Use. 2. edition. Pacific Grove: Heinle & Heinle, 1997.
Precaución: Estas citas no son 100% exactas.