LEWIS HEDWIG. (1998). BODY LANGUAGE. RESPONSE BOOKS.
Cita Chicago (17th ed.)LEWIS HEDWIG. BODY LANGUAGE. NEW DELHI: RESPONSE BOOKS, 1998.
Cita MLA (9th ed.)LEWIS HEDWIG. BODY LANGUAGE. RESPONSE BOOKS, 1998.
Atenció: Aquestes cites poden no estar 100% correctes.