APA (7th ed.) Citation

Williams, W. E., & Barham, S. Y. (2001). Mathematics: Mechanics Unit M1. Welsh Joint Education Committee.

Chicago Style (17th ed.) Citation

Williams, W E., and S Y. Barham. Mathematics: Mechanics Unit M1. Welsh Joint Education Committee, 2001.

MLA (9th ed.) Citation

Williams, W E., and S Y. Barham. Mathematics: Mechanics Unit M1. Welsh Joint Education Committee, 2001.

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