Παραπομπή APA

Erskine May. (1971). Erskine May's Treatise on the law, privileges, proceedings, and usage of Parliament (18th ed.). Butterworth.

Παραπομπή Chicago Style

Erskine May. Erskine May's Treatise on the Law, Privileges, Proceedings, and Usage of Parliament. 18th ed. London: Butterworth, 1971.

Παραπομπή MLA

Erskine May. Erskine May's Treatise on the Law, Privileges, Proceedings, and Usage of Parliament. 18th ed. Butterworth, 1971.