Swan, M. (1997). How English works: A grammar practice book with answers. Oxf: Oxf. Univ. Pr.
Chicago Stili AlıntıSwan, Michael. How English Works: A Grammar Practice Book With Answers. Oxf: Oxf. Univ. Pr, 1997.
MLA AlıntıSwan, Michael. How English Works: A Grammar Practice Book With Answers. Oxf: Oxf. Univ. Pr, 1997.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..