author = { Zimbardo, Philip G. AND Ebbesen, Ebbe B. },

title = { Experimental modification of the relationship between effort, attitude, and behavior. },

publisher = {American Psychological Association (APA)},

isbn = {1939-1315},

isbn = {0022-3514},

keywords = { Sociology and Political Science , Social Psychology },

year = {1970},

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