Tufte, E. R. (1970). The Quantitative analysis of social problems. Addison-Wesley.
Cita Chicago (17th ed.)Tufte, Edward R. The Quantitative Analysis of Social Problems. Reading, Mass.: Addison-Wesley, 1970.
Cita MLA (8th ed.)Tufte, Edward R. The Quantitative Analysis of Social Problems. Addison-Wesley, 1970.
Atenció: Aquestes cites poden no estar 100% correctes.