author = { Schlesinger, Arthur M. },

title = { The imperial presidency },

edition = { 1. printing } ,

publisher = {Houghton Mifflin},

isbn = {0395177138},

keywords = { Presidents United States History , Executive power United States History , USA , Präsident , Exekutive , Geschichte },

year = {1973},

address = { Boston },

url = { http://slubdd.de/katalog?TN_libero_mab2 }