APA

Jones C., Hopkins A. & Potter J. (2003). Look Ahead 1. Classroom course. Harlow: Longman.

Chicago

Jones C, Hopkins A and Potter J. 2003. Look Ahead 1. Classroom course. Harlow: Longman.

Harvard

Jones C., Hopkins A. and Potter J. (2003). Look Ahead 1. Classroom course. Harlow: Longman.

MLA

Jones C, Hopkins A and Potter J. Look Ahead 1. Classroom course. Harlow: Longman. 2003.