Calero, H. H. (2005). The power of nonverbal communication: How your act is more important than what you say. Silver Lake.
Παραπομπή σε μορφή Chicago (17η εκδ.)Calero, Henry H. The Power of Nonverbal Communication: How Your Act Is More Important than What You Say. Los Angeles, CA; Aberdeen, WA: Silver Lake, 2005.
Παραπομπή σε μορφή MLA (9th εκδ.)Calero, Henry H. The Power of Nonverbal Communication: How Your Act Is More Important than What You Say. Silver Lake, 2005.
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