NBS Learning Channels, Insight Media (Firm), Collie, M., & Bussell, M. (2010). Understanding historic concrete. Distributed by Insight Media.
Chicago Style (17th ed.) CitationNBS Learning Channels, Insight Media (Firm), Michael Collie, and Michael Bussell. Understanding Historic Concrete. New York: Distributed by Insight Media, 2010.
MLA (9th ed.) CitationNBS Learning Channels, et al. Understanding Historic Concrete. Distributed by Insight Media, 2010.
Warning: These citations may not always be 100% accurate.