Cita APA (7a ed.)

Zigon, J. (1998). Employee performance measurement workbook. Zigon Performance Group.

Cita Chicago Style (17a ed.)

Zigon, Jack. Employee Performance Measurement Workbook. Pennsylvania: Zigon Performance Group, 1998.

Cita MLA (9a ed.)

Zigon, Jack. Employee Performance Measurement Workbook. Zigon Performance Group, 1998.