APA
(2002). LONGMAN language activator : helps you write and speak natural English. Harlow, Essex: Longman.
Chicago
2002. LONGMAN language activator : helps you write and speak natural English. Harlow, Essex: Longman.
Harvard
(2002). LONGMAN language activator : helps you write and speak natural English. Harlow, Essex: Longman.
MLA
LONGMAN language activator : helps you write and speak natural English. Harlow, Essex: Longman. 2002.