Johnson, W., & Darley, F. (1952). Diagnostic manual in speech correction: A professional training workbook. Harper & Brothers.
Chicago Edition CitationJohnson, Wendell, and Frederick Darley. Diagnostic Manual in Speech Correction: A Professional Training Workbook. New York: Harper & Brothers, 1952.
MLA Edition CitationJohnson, Wendell, and Frederick Darley. Diagnostic Manual in Speech Correction: A Professional Training Workbook. Harper & Brothers, 1952.
Warning: These citations may not always be 100% accurate.