Valentine, E. (1988). A course in English grammar and composition: Book 2.
Citación estilo ChicagoValentine, Elias. A Course in English Grammar and Composition: Book 2. 1988.
Cita MLAValentine, Elias. A Course in English Grammar and Composition: Book 2. 1988.
Warning: These citations may not always be 100% accurate.