APA
Joint Contracts Tribunal, . (1980). Standard form of employer/nominated sub-contract agreement 1980 edition (NSC/2a) Where tender NSC/1 has not been used. London: RIBA.
Chicago
Joint Contracts Tribunal, . 1980. Standard form of employer/nominated sub-contract agreement 1980 edition (NSC/2a) Where tender NSC/1 has not been used. London: RIBA.
Harvard
Joint Contracts Tribunal, . (1980). Standard form of employer/nominated sub-contract agreement 1980 edition (NSC/2a) Where tender NSC/1 has not been used. London: RIBA.
MLA
Joint Contracts Tribunal, . Standard form of employer/nominated sub-contract agreement 1980 edition (NSC/2a) Where tender NSC/1 has not been used. London: RIBA. 1980.