Katz, R., & Mair, P. (1992). Party organizations: A data handbook on party organizations in western democracies : 1960-1990. London: SAGE.
Lua i Stíl Chicago (17ú heag.)Katz, Richard, agus Peter Mair. Party Organizations: A Data Handbook on Party Organizations in Western Democracies : 1960-1990. London: SAGE, 1992.
Lua MLA (8ú heag.)Katz, Richard, agus Peter Mair. Party Organizations: A Data Handbook on Party Organizations in Western Democracies : 1960-1990. London: SAGE, 1992.
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