Richard M.Hodgetts...[et al] Richard C.Foley...[et al] Richard D.Thornton...[et al] [美]Richard M.Hodgetts ,Fred Luthans 著 Richard D.Shultz...[et al] Richard E.Berg...[et al] Richard G.Lipsey...[et al] Richard A.Myren...[et al] Richard J.Gaylord...[et al] Richard E.Balzhiser...[et al]