(美) Anton J Haug著 (美) Winston Chang著 (美)V. Anton Spraul著 (美)V.Anton Spraul著 (美) V. Anton Spraul著 (美) Milton Ohring著 (美) Steve Krug著 (美) C.Britton Rorabaugh著 (美) C.Britton Rorabaugn著 (美) Clinton Keith著