Heimberg, R. G., Horner, K. J., Juster, H. R., Safren, S. A., Brown, E. J., Schneier, F. R., & Liebowitz, M. R. (1999). Psychometric properties of the Liebowitz social anxiety scale. Psychological medicine, 29(1), 199-212.
Leary, M. R. (1983). Social anxiousness: The construct and its measurement. Journal of personality assessment, 47(1), 66-75.
Schlenker, B. R., & Leary, M. R. (1982). Social anxiety and self-presentation: A conceptualization model. Psychological bulletin, 92(3), 641.