Mitchell, R. J. (1977). Merit rating in industry and the armed services [microform]. Photoduplication Service. University of the Philippines Library.
Citazione stile Chigago Style (17a edizione)Mitchell, Robert Jouett. Merit Rating in Industry and the Armed Services [microform]. Quezon City: Photoduplication Service. University of the Philippines Library, 1977.
Citatione MLA (9a ed.)Mitchell, Robert Jouett. Merit Rating in Industry and the Armed Services [microform]. Photoduplication Service. University of the Philippines Library, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.