(美)Douglas Comer著 (美)Douglas E.Comer著 (美)Douglas Alger著 (美)Douglas E. Comer著 (英)Douglas Palmer著 (美)[科默]Douglas E.Comer著 (美) Douglas E. Comer ( )科默(Douglas E.Comer)著 (美)Douglas C. Montgomery著 (美)道格拉斯·科莫(Douglas Comer)著