TY  - BOOK
AU  - Knapp, M. I.
TI  - Non-verbal communication in human interaction
AV  - BF637.C45k57 
PY  - 0000///n.d
CY  - New York
PB  -  : Rinehart and Winston, 
KW  - Communication.
KW  - Interpersonal communication
ER  -