Arnold, J., Cooper, C. L., Robertson, I. T., Cooper, C. L., & Robertson, I. T. (1998). Work psychology: Understanding human behaviour in the workplace (3rd ed.). London: Pitman.

Arnold, John, Cary L. Cooper, Ivan T. Robertson, Cary L. Cooper, and Ivan T. Robertson. Work Psychology: Understanding Human Behaviour in the Workplace. 3rd ed. London: Pitman, 1998.

Arnold, John, et al. Work Psychology: Understanding Human Behaviour in the Workplace. 3rd ed. London: Pitman, 1998.