Aqua Group. (1980). Pre-contract practice: For architects and quantity surveyors (6th ed.). Granada.
Tohutoru Kātū ChicagoAqua Group. Pre-contract Practice: For Architects and Quantity Surveyors. 6th ed. London: Granada, 1980.
Tohutoro MLAAqua Group. Pre-contract Practice: For Architects and Quantity Surveyors. 6th ed. Granada, 1980.
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