Gaya APA

Gerson, R, F. (2006). POSITIVE PERFORMANCE IMPROVEMENT : A New Paradigm for Optimizing Your Workforce (1). California: Davies-Black Publishing.

Gaya MLA

Gerson, Richard, F.. "POSITIVE PERFORMANCE IMPROVEMENT : A New Paradigm for Optimizing Your Workforce". 1 California: Davies-Black Publishing, 2006. MP.