Porter, R. (1980). Building contract conditions / Robert Porter (Rev. ed. including 1981 JCT forms.). Godwin.
Chicago Style (17th ed.) CitationPorter, Robert. Building Contract Conditions / Robert Porter. Rev. ed. including 1981 JCT forms. (London): Godwin, 1980.
MLA (9th ed.) CitationPorter, Robert. Building Contract Conditions / Robert Porter. Rev. ed. including 1981 JCT forms. Godwin, 1980.
Warning: These citations may not always be 100% accurate.