Citazione Stile APA (7a Edizione)

Clapp, J. M. (1948). Effective talking in conference: Directness, courtesy, caution. Ronald Press Co.

Citazione stile Chigago Style (17a edizione)

Clapp, John Mantle. Effective Talking in Conference: Directness, Courtesy, Caution. New York: Ronald Press Co, 1948.

Citatione MLA (9a ed.)

Clapp, John Mantle. Effective Talking in Conference: Directness, Courtesy, Caution. Ronald Press Co, 1948.