APA

Cuff C., . (2004). Spelling Skills Book 1 : A Basic Spelling Course. London: Longman.

Chicago

Cuff Charles, . 2004. Spelling Skills Book 1 : A Basic Spelling Course. London: Longman.

Harvard

Cuff C., . (2004). Spelling Skills Book 1 : A Basic Spelling Course. London: Longman.

MLA

Cuff Charles, . Spelling Skills Book 1 : A Basic Spelling Course. London: Longman. 2004.