APA ציטוט

Elaine Walker. (1994). Grammar practice for elementary students with answer key. London: Longman.

Trích dẫn kiểu Chicago

Elaine Walker. Grammar Practice for Elementary Students With Answer Key. London: Longman, 1994.

ציטוט MLA

Elaine Walker. Grammar Practice for Elementary Students With Answer Key. London: Longman, 1994.