Dyfyniad APA

Lewis, H. (2000). Body language: A guide for professionals. Response Books.

Dyfyniad Arddull Chicago

Lewis, Hedwig. Body Language: A Guide for Professionals. New Delhi ; Thousand Oaks, Calif.: Response Books, 2000.

Dyfyniad MLA

Lewis, Hedwig. Body Language: A Guide for Professionals. Response Books, 2000.

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