APA (7th ed.) Citation

Gray, C., & Flanagan, R. (1989). The changing role of specialist and trade contractors / Colin Gray, Roger Flanagan. Chartered Institute of Building.

Chicago Style (17th ed.) Citation

Gray, C., and Roger Flanagan. The Changing Role of Specialist and Trade Contractors / Colin Gray, Roger Flanagan. Ascot: Chartered Institute of Building, 1989.

MLA (9th ed.) Citation

Gray, C., and Roger Flanagan. The Changing Role of Specialist and Trade Contractors / Colin Gray, Roger Flanagan. Chartered Institute of Building, 1989.

Warning: These citations may not always be 100% accurate.