Παραπομπή APA

Ashford, J., & Institute of Personnel Management. (1980). Statistic for management (2nd ed.). London: IPM.

Παραπομπή Chicago Style

Ashford, John., and Institute of Personnel Management. Statistic for Management. 2nd ed. London: IPM, 1980.

Παραπομπή MLA

Ashford, John., and Institute of Personnel Management. Statistic for Management. 2nd ed. London: IPM, 1980.

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