Mehrotra, L. P. (1971). Stuttering: Clinical, psychological, sociological, and educational study ([1st ed.].). United Publishers.
Čikaški stil citiranja (17. izdanje)Mehrotra, L. P. Stuttering: Clinical, Psychological, Sociological, and Educational Study. [1st ed.]. Allahabad: United Publishers, 1971.
MLA način citiranja (8. izdanje)Mehrotra, L. P. Stuttering: Clinical, Psychological, Sociological, and Educational Study. [1st ed.]. United Publishers, 1971.
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