5 possible references

ERIC ED158354 Isenhart, Myra W. "An Investigation of Differential Ability in Decoding Nonverbal Cues"
Looking at interpersonal competence; nonverbal communication; college students; communication skills; individual power.

Goldin-Meadow, S. "Hearing Gestures: How our Hands Help us Think"
(2003) Cambridge, MA: Belknap
Understanding what hand gestures mean.

Mehrabian A. "Silent Messages" (1971) Belmont, CA Wadsworth
Looks at how people give nonverbal cues.

Star, Amy and Page, Norman "Dealing with Nonverbal Cues: A Key to Mediator Effectiveness"
Understanding how people use body language and other nonverbal language.

Gemma Warren, Elizabeth Schertler, Peter Brill "Detecting Deception from Emotional and Unemotional Cues"
Looks at ways to detect deception.