APA Цитирование

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

Chicago-стиль цитирования

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

MLA-цитирование

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

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.