@BOOK{ Book!D - 77722345, AUTHOR = "Frank, Marcella.", TITLE = "Modern English: a practical reference guide", LIBRARY= "کتابخانه مرکزی و مرکز اطلاع رسانی دانشگاه فردوسی مشهد", SUBJECT = "Grammar - 0591- ، English language", URL = "/book/77722345/Modern-English-a-practical-reference-guide/"}