Key, M. R. (1982). Nonverbal communication today: Current research. Mouton Publishers.
Cita Chicago (17th ed.)Key, Mary Ritchie. Nonverbal Communication Today: Current Research. Berlin ; New York ; Amsterdam: Mouton Publishers, 1982.
Cita MLA (9th ed.)Key, Mary Ritchie. Nonverbal Communication Today: Current Research. Mouton Publishers, 1982.
Atenció: Aquestes cites poden no estar 100% correctes.