Alker, H. R., Deutsch, K. W., & Stoetzel, A. H. (1973). Mathematical approaches to politics. Elsevier Scientific Publishing Company.
Cita Chicago (17th ed.)Alker, Hayward R., Karl W. Deutsch, i Antoine H. Stoetzel. Mathematical Approaches to Politics. Amsterdam: Elsevier Scientific Publishing Company, 1973.
Cita MLA (9th ed.)Alker, Hayward R., et al. Mathematical Approaches to Politics. Elsevier Scientific Publishing Company, 1973.
Atenció: Aquestes cites poden no estar 100% correctes.