Sen, A. (1970). Collective Choice and Social Welfare. ELSEVIER.
芝加哥风格引文Sen, A.K. Collective Choice and Social Welfare. ELSEVIER, 1970.
MLA引文Sen, A.K. Collective Choice and Social Welfare. ELSEVIER, 1970.
警告：这些引文格式不一定是100％准确.
APA引文