Lazarus, S. Loud and clear: A guide to effective communication. AMACOM.
Tohutoru Kātū Chicago (17th ed.)Lazarus, Sy. Loud and Clear: A Guide to Effective Communication. New York: AMACOM.
Tohutoro MLA (9th ed.)Lazarus, Sy. Loud and Clear: A Guide to Effective Communication. AMACOM.
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