APA
Joint Contracts Tribunal, . (1989). Standard form of building contract with quantities 1980 edition ... contractor`s designed portion supplement. London: RIBA Publications Ltd.
Chicago
Joint Contracts Tribunal, . 1989. Standard form of building contract with quantities 1980 edition ... contractor`s designed portion supplement. London: RIBA Publications Ltd.
Harvard
Joint Contracts Tribunal, . (1989). Standard form of building contract with quantities 1980 edition ... contractor`s designed portion supplement. London: RIBA Publications Ltd.
MLA
Joint Contracts Tribunal, . Standard form of building contract with quantities 1980 edition ... contractor`s designed portion supplement. London: RIBA Publications Ltd. 1989.