Ifo-Institut für Wirtschaftsforschung, Industriens utredningsinstitut (Sweden), ebrary, Inc, King, M. A., Fullerton, D., & Alworth, J. (1984). The taxation of income from capital: A comparative study of the United States, the United Kingdom, Sweden, and West Germany. University of Chicago Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ifo-Institut für Wirtschaftsforschung, Industriens utredningsinstitut (Sweden), Inc ebrary, Mervyn A. King, Don Fullerton, و Julian Alworth. The Taxation of Income from Capital: A Comparative Study of the United States, the United Kingdom, Sweden, and West Germany. Chicago: University of Chicago Press, 1984.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ifo-Institut für Wirtschaftsforschung, et al. The Taxation of Income from Capital: A Comparative Study of the United States, the United Kingdom, Sweden, and West Germany. University of Chicago Press, 1984.