APA ציטוט

Ryan, T. A. (1947). Work and effort: The psychology of production. Ronald Press Co.

Chicago Style (17th ed.) Citation

Ryan, Thomas A. Work and Effort: The Psychology of Production. New York: Ronald Press Co, 1947.

ציטוט MLA

Ryan, Thomas A. Work and Effort: The Psychology of Production. Ronald Press Co, 1947.