APA استشهاد

Johnson, W. (1952). Diagnostic manual in speech correction: A professional training workbook. Harper & Brothers.

استشهاد بنمط شيكاغو

Johnson, Wendell. Diagnostic Manual in Speech Correction: A Professional Training Workbook. New York: Harper & Brothers, 1952.

MLA استشهاد

Johnson, Wendell. Diagnostic Manual in Speech Correction: A Professional Training Workbook. Harper & Brothers, 1952.