1. Als, H. (1977, Spring). The newborn communicates.Journal of Communication, 66?73.
2. Argyle, M. (1967).The psychology of interpersonal behavior. Baltimore: Penguin.
3. Argyle, M. (1972). Non-verbal communication in human social interaction. In R. Hinde (Ed.),Non-verbal communication. New York: Cambridge University Press.
4. Argyle, M., & Cook, M. (1976).Gaze and mutual gaze. New York: Cambridge University Press.
5. Argyle, M., & Dean, J. (1965). Eye-contact, distance, and affiliation.Sociometry, 28, 289?304.