APA

Bell J., Gower R., . (1999). Matters. Upper Intermediate. Harlow: Longman.

Chicago

Bell J, Gower R, . 1999. Matters. Upper Intermediate. Harlow: Longman.

Harvard

Bell J., Gower R., . (1999). Matters. Upper Intermediate. Harlow: Longman.

MLA

Bell J, Gower R, . Matters. Upper Intermediate. Harlow: Longman. 1999.