APA
Powell S., Royal Institution of Chartered Surveyors, . (1991). Land surveyors division handbook 1991/92. London: RICS.
Chicago
Powell Sandra, Royal Institution of Chartered Surveyors, . 1991. Land surveyors division handbook 1991/92. London: RICS.
Harvard
Powell S., Royal Institution of Chartered Surveyors, . (1991). Land surveyors division handbook 1991/92. London: RICS.
MLA
Powell Sandra, Royal Institution of Chartered Surveyors, . Land surveyors division handbook 1991/92. London: RICS. 1991.