Dahl, R. A. (1985). A preface to economiic democracy. California: University of California Press.
Trích dẫn kiểu ChicagoDahl, Robert A. A Preface to Economiic Democracy. California: University of California Press, 1985.
MLA引文Dahl, Robert A. A Preface to Economiic Democracy. California: University of California Press, 1985.
警告：這些引文格式不一定是100％准確.