New York Academy of Sciences & Papayanopoulos, L. (1973). Democratic representation and apportionment: Quantitative methods, measures, and criteria. New York Academy of Sciences.
Dyfyniad Arddull ChicagoNew York Academy of Sciences and L. Papayanopoulos. Democratic Representation and Apportionment: Quantitative Methods, Measures, and Criteria. [New York]: New York Academy of Sciences, 1973.
Dyfyniad MLANew York Academy of Sciences and L. Papayanopoulos. Democratic Representation and Apportionment: Quantitative Methods, Measures, and Criteria. New York Academy of Sciences, 1973.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.