APA (7th ed.) Citation

Bell, A. W., & Shiu, C. M. (1981). Diagnostic teaching in mathematics. Shell Centre for Math. Education.

Chicago Style (17th ed.) Citation

Bell, Alan W., and Christine M. Shiu. Diagnostic Teaching in Mathematics. Nottingham: Shell Centre for Math. Education, 1981.

MLA (9th ed.) Citation

Bell, Alan W., and Christine M. Shiu. Diagnostic Teaching in Mathematics. Shell Centre for Math. Education, 1981.