APA
Aqua Group, . (1979). Contract administration for architects and quantity surveyors. London: Crosby Lockwood Staples.
Chicago
Aqua Group, . 1979. Contract administration for architects and quantity surveyors. London: Crosby Lockwood Staples.
Harvard
Aqua Group, . (1979). Contract administration for architects and quantity surveyors. London: Crosby Lockwood Staples.
MLA
Aqua Group, . Contract administration for architects and quantity surveyors. London: Crosby Lockwood Staples. 1979.