Trích dẫn APA

Bob Obee. (1999). Cambridge copy collection: The grammar activity book: A resource book of grammar games for young students. Cambridge, UK: Cambridge Univ. Press.

Trích dẫn kiểu Chicago

Bob Obee. Cambridge Copy Collection: The Grammar Activity Book: A Resource Book of Grammar Games for Young Students. Cambridge, UK: Cambridge Univ. Press, 1999.

Trích dẫn MLA

Bob Obee. Cambridge Copy Collection: The Grammar Activity Book: A Resource Book of Grammar Games for Young Students. Cambridge, UK: Cambridge Univ. Press, 1999.

Cảnh báo: Các trích dẫn này có thể không phải lúc nào cũng chính xác 100%.