ebrary, Inc, DiTomasso, R. D., & Gosch, E. A. (2002). Anxiety disorders: A practitioner's guide to comparative treatments. Springer Pub..
Dyfyniad Arddull Chicagoebrary, Inc, Robert D. DiTomasso, and Elizabeth A. Gosch. Anxiety Disorders: A Practitioner's Guide to Comparative Treatments. New York: Springer Pub., 2002.
Dyfyniad MLAebrary, Inc, et al. Anxiety Disorders: A Practitioner's Guide to Comparative Treatments. Springer Pub., 2002.
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