APA
(2001). Problematic Bahaviours During Adolescence. Boston: McGraw Hill Inc.
Chicago
2001. Problematic Bahaviours During Adolescence. Boston: McGraw Hill Inc.
Harvard
(2001). Problematic Bahaviours During Adolescence. Boston: McGraw Hill Inc.
MLA
Problematic Bahaviours During Adolescence. Boston: McGraw Hill Inc. 2001.