APA
Leckman J. F., Leckman J. F., . (1999). Tourette's syndrome- Tics obsessions, compulsions. New York: .
Chicago
Leckman James F, Leckman James F, . 1999. Tourette's syndrome- Tics obsessions, compulsions. New York: .
Harvard
Leckman J. F., Leckman J. F., . (1999). Tourette's syndrome- Tics obsessions, compulsions. New York: .
MLA
Leckman James F, Leckman James F, . Tourette's syndrome- Tics obsessions, compulsions. New York: . 1999.