Beckhard, R., & Harris, R. T. (1987). Organizational transitions: Managing complex change (2nd ed.). Addison-Wesley Pub. Co..

Beckhard, Richard, and Reuben T. Harris. Organizational Transitions: Managing Complex Change. 2nd ed. Reading, Mass.: Addison-Wesley Pub. Co., 1987.

Beckhard, Richard, and Reuben T. Harris. Organizational Transitions: Managing Complex Change. 2nd ed. Addison-Wesley Pub. Co., 1987.