Cita APA (7th ed.)

Smith, E. A. (1990). The productivity manual: Methods and activities for involving employees in productivity improvement. Gulf Pub. Co..

Cita Chicago (17th ed.)

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

Cita MLA (8th ed.)

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