APA
Royal Institution of Chartered Surveyors, . (1991). Employers` guide to the assessment of professional competence: rural practice, June 1991. London: RICS.
Chicago
Royal Institution of Chartered Surveyors, . 1991. Employers` guide to the assessment of professional competence: rural practice, June 1991. London: RICS.
Harvard
Royal Institution of Chartered Surveyors, . (1991). Employers` guide to the assessment of professional competence: rural practice, June 1991. London: RICS.
MLA
Royal Institution of Chartered Surveyors, . Employers` guide to the assessment of professional competence: rural practice, June 1991. London: RICS. 1991.