Dickson, D., Saunders, C., & Stringer, M. (1993). Rewarding people: The skill of responding positively. Routledge.
Cita Chicago (17th ed.)Dickson, David, Christine Saunders, i Maurice Stringer. Rewarding People: The Skill of Responding Positively. London: Routledge, 1993.
Cita MLA (9th ed.)Dickson, David, et al. Rewarding People: The Skill of Responding Positively. Routledge, 1993.
Atenció: Aquestes cites poden no estar 100% correctes.