APA
Royal Institution of Chartered Surveyors, Federation International Des Geometres, . (1985). Hydrographic survey equipment: 1984 catalogue. Supplement No.2. London: Surveyors Publications/ FIG.
Chicago
Royal Institution of Chartered Surveyors, Federation International Des Geometres, . 1985. Hydrographic survey equipment: 1984 catalogue. Supplement No.2. London: Surveyors Publications/ FIG.
Harvard
Royal Institution of Chartered Surveyors, Federation International Des Geometres, . (1985). Hydrographic survey equipment: 1984 catalogue. Supplement No.2. London: Surveyors Publications/ FIG.
MLA
Royal Institution of Chartered Surveyors, Federation International Des Geometres, . Hydrographic survey equipment: 1984 catalogue. Supplement No.2. London: Surveyors Publications/ FIG. 1985.
