APA

Joint Contracts Tribunal, . (1999). Supplement to the standard form of building contract 1998 edition. Private and local authorities versions. Contractors's designed portion supplement. Without quantities. Modifications to the standard form for use where the contractor is required to complete the design of a portion of the works. London: RIBA Publications.

Chicago

Joint Contracts Tribunal, . 1999. Supplement to the standard form of building contract 1998 edition. Private and local authorities versions. Contractors's designed portion supplement. Without quantities. Modifications to the standard form for use where the contractor is required to complete the design of a portion of the works. London: RIBA Publications.

Harvard

Joint Contracts Tribunal, . (1999). Supplement to the standard form of building contract 1998 edition. Private and local authorities versions. Contractors's designed portion supplement. Without quantities. Modifications to the standard form for use where the contractor is required to complete the design of a portion of the works. London: RIBA Publications.

MLA

Joint Contracts Tribunal, . Supplement to the standard form of building contract 1998 edition. Private and local authorities versions. Contractors's designed portion supplement. Without quantities. Modifications to the standard form for use where the contractor is required to complete the design of a portion of the works. London: RIBA Publications. 1999.