Erskine May. (1976). Erskine May's Treatise on the law, privileges, proceedings, and usage of Parliament (19th ed.). Butterworth.
Chicago-tyylinen lähdeviittausErskine May. Erskine May's Treatise on the Law, Privileges, Proceedings, and Usage of Parliament. 19th ed. London: Butterworth, 1976.
MLA-viiteErskine May. Erskine May's Treatise on the Law, Privileges, Proceedings, and Usage of Parliament. 19th ed. Butterworth, 1976.
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