(美)Jerome Kagan著 (美)Jerome Kagan卡根著 (美)Marty Cagan著 Jerome Kagan Jerome Kagan. 杰若米·凯根(Jerome Kagan)著 (美)杰罗姆·凯根(Jerome Kagan)著 (美)James Reagan著 (美)Jerome S. Blackman著 (美)John Langan著