Swan, M., & Walter, C. (1997). How English works: A grammar practice book. New York: Oxford University Press.
Trích dẫn kiểu ChicagoSwan, Michael., và Catherine Walter. How English Works: A Grammar Practice Book. New York: Oxford University Press, 1997.
MLA引文Swan, Michael., và Catherine Walter. How English Works: A Grammar Practice Book. New York: Oxford University Press, 1997.
警告:這些引文格式不一定是100%准確.