Παραπομπή APA

Smith, E. A. (1990). Productivity manual: Methods and activities for involving employees in productivity improvement (2nd ed.). Houston: Gulf Pub. Co..

Παραπομπή Chicago Style

Smith, Elizabeth A. Productivity Manual: Methods and Activities for Involving Employees in Productivity Improvement. 2nd ed. Houston: Gulf Pub. Co., 1990.

Παραπομπή MLA

Smith, Elizabeth A. Productivity Manual: Methods and Activities for Involving Employees in Productivity Improvement. 2nd ed. Houston: Gulf Pub. Co., 1990.

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