Citazione APA

Villard, K. L., & Whipple, L. J. (1976). Beginnings in relational communication. John Wiley&sons.

Stile di citazione Chicago

Villard, Kenneth L., e Leland J. Whipple. Beginnings in Relational Communication. New York: John Wiley&sons, 1976.

Citazione MLA

Villard, Kenneth L., e Leland J. Whipple. Beginnings in Relational Communication. John Wiley&sons, 1976.