APA
Royal Institution of Chartered Surveyors, . (1971). Professional rules: a memorandum to the Secretary of State for Trade and Industry. : RICS.
Chicago
Royal Institution of Chartered Surveyors, . 1971. Professional rules: a memorandum to the Secretary of State for Trade and Industry. : RICS.
Harvard
Royal Institution of Chartered Surveyors, . (1971). Professional rules: a memorandum to the Secretary of State for Trade and Industry. : RICS.
MLA
Royal Institution of Chartered Surveyors, . Professional rules: a memorandum to the Secretary of State for Trade and Industry. : RICS. 1971.