Clarke, L. H., & Norton, F. G. J. (1984). Ordinary Level mathematics (7th ed.(revised).). Heinemann Educational.
Chicago Style (17th ed.) CitationClarke, L. Harwood, and F. G. J. Norton. Ordinary Level Mathematics. 7th ed.(revised). London: Heinemann Educational, 1984.
MLA (8th ed.) CitationClarke, L. Harwood, and F. G. J. Norton. Ordinary Level Mathematics. 7th ed.(revised). Heinemann Educational, 1984.
Warning: These citations may not always be 100% accurate.