Dyfyniad APA

Aqua Group. (1967). Pre-contract practice for architects and quantity surveyors (3rd ed. revised and enlarged.). Lockwood.

Dyfyniad Arddull Chicago

Aqua Group. Pre-contract Practice for Architects and Quantity Surveyors. 3rd ed. revised and enlarged. London: Lockwood, 1967.

Dyfyniad MLA

Aqua Group. Pre-contract Practice for Architects and Quantity Surveyors. 3rd ed. revised and enlarged. Lockwood, 1967.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.