S., S., W., Phillip, M.(1991).How to do s superior performance appraisal / William S. Swan, Margulies Phillip .New York:John Wiley n Sons.
Gaya MLA
Swan, William, S.., Margulies, Phillip."How to do s superior performance appraisal / William S. Swan, Margulies Phillip".New York:John Wiley n Sons,1991.Textbook.