Croft, A. C., & La Plante, J. J. P. m. i. a. p. b. (1977). Personnel management. Alexander Hamilton Institute.
Lua i Stíl Chicago (17ú heag.)Croft, Arthur C., agus John J. Personnel management in a people business La Plante. Personnel Management. New York: Alexander Hamilton Institute, 1977.
Lua MLA (9ú heag.)Croft, Arthur C., agus John J. Personnel management in a people business La Plante. Personnel Management. Alexander Hamilton Institute, 1977.
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