Swan, M., & Walter, C. (2001). The good grammar book: A grammar practice book for elementery to lower-intermediate students of English : with answers. Oxf: Oxf. Univ. Pr.
Stile di citazione ChicagoSwan, Michaael, e Catherine Walter. The Good Grammar Book: A Grammar Practice Book for Elementery to Lower-intermediate Students of English : With Answers. Oxf: Oxf. Univ. Pr, 2001.
Citazione MLASwan, Michaael, e Catherine Walter. The Good Grammar Book: A Grammar Practice Book for Elementery to Lower-intermediate Students of English : With Answers. Oxf: Oxf. Univ. Pr, 2001.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.