William R Slager. (1966). English for today; T4: Our changing world. New York: McGraw-Hill.
Trích dẫn kiểu ChicagoWilliam R Slager. English for Today; T4: Our Changing World. New York: McGraw-Hill, 1966.
MLA引文William R Slager. English for Today; T4: Our Changing World. New York: McGraw-Hill, 1966.
警告:这些引文格式不一定是100%准确.