APA
Royal Institution of Chartered Surveyors, . (1998). Geographical directory 1999. London: Waterlow Specialist Information Publishing.
Chicago
Royal Institution of Chartered Surveyors, . 1998. Geographical directory 1999. London: Waterlow Specialist Information Publishing.
Harvard
Royal Institution of Chartered Surveyors, . (1998). Geographical directory 1999. London: Waterlow Specialist Information Publishing.
MLA
Royal Institution of Chartered Surveyors, . Geographical directory 1999. London: Waterlow Specialist Information Publishing. 1998.