APA
Joint Contracts Tribunal, . (1999). Works contract documentation 1998 edition. Amendment 1 issued June 1999. Construction industry scheme (CIS). Birmingham: Construction Industry Publications.
Chicago
Joint Contracts Tribunal, . 1999. Works contract documentation 1998 edition. Amendment 1 issued June 1999. Construction industry scheme (CIS). Birmingham: Construction Industry Publications.
Harvard
Joint Contracts Tribunal, . (1999). Works contract documentation 1998 edition. Amendment 1 issued June 1999. Construction industry scheme (CIS). Birmingham: Construction Industry Publications.
MLA
Joint Contracts Tribunal, . Works contract documentation 1998 edition. Amendment 1 issued June 1999. Construction industry scheme (CIS). Birmingham: Construction Industry Publications. 1999.
