Gaya APA

Landy, F, J., L., I, F, J. (). Measurement of work performance methods, theory, and applications . San: San Diego: Academic; 1983.

Gaya MLA

Landy, Frank, J.., L., I., Farr,, James. "Measurement of work performance methods, theory, and applications". San: San Diego: Academic; 1983, . Text.