Levin, A. P., Saoud, J. B., Strauman, T. J., Gorman, J. M., Fyer, A. J., Crawford, R., & Liebowitz, M. R. (1993). Responses of "generalized" and "discrete" social phobics during public speaking. Journal of Anxiety Disorders, 5, 224–236.

Levin, A. P., J. B. Saoud, T. J. Strauman, J. M. Gorman, A. J. Fyer, R. Crawford, and M. R. Liebowitz. “Responses of "generalized" and "discrete" social phobics during public speaking.” Journal of Anxiety Disorders 5 (1993): 224–36.

Levin AP, Saoud JB, Strauman TJ, Gorman JM, Fyer AJ, Crawford R, et al. Responses of "generalized" and "discrete" social phobics during public speaking. Journal of Anxiety Disorders. 1993;5:224–36.

Levin, A. P., et al. “Responses of "generalized" and "discrete" social phobics during public speaking.” Journal of Anxiety Disorders, vol. 5, 1993, pp. 224–36.

Levin AP, Saoud JB, Strauman TJ, Gorman JM, Fyer AJ, Crawford R, Liebowitz MR. Responses of "generalized" and "discrete" social phobics during public speaking. Journal of Anxiety Disorders. 1993;5:224–236.