Gaya APA
Washton, A, M., Zweben, J, E. (2006).
Treating alcohol and drug problems : in psychotherapy practice .
New York:
The Guilford Press.
Gaya MLA
Washton, Arnold, M.., Zweben, Joan, E..
"Treating alcohol and drug problems : in psychotherapy practice".
New York:
The Guilford Press,
2006.
Text.