APA
Construction Confederation, . (1999). Sub-contract conditions articles of agreement 1981 edition. Domestic sub-contract DOM/2. Amendment 8 - July 1999. London: Construction Confederation.
Chicago
Construction Confederation, . 1999. Sub-contract conditions articles of agreement 1981 edition. Domestic sub-contract DOM/2. Amendment 8 - July 1999. London: Construction Confederation.
Harvard
Construction Confederation, . (1999). Sub-contract conditions articles of agreement 1981 edition. Domestic sub-contract DOM/2. Amendment 8 - July 1999. London: Construction Confederation.
MLA
Construction Confederation, . Sub-contract conditions articles of agreement 1981 edition. Domestic sub-contract DOM/2. Amendment 8 - July 1999. London: Construction Confederation. 1999.