APA Citation

Clarke, L. H. (1970). Modern mathematics at ordinary level. London: Heinemann Educational Books.

Chicago Style Citation

Clarke, Leonard Harwood. Modern Mathematics At Ordinary Level. London: Heinemann Educational Books, 1970.

MLA Citation

Clarke, Leonard Harwood. Modern Mathematics At Ordinary Level. London: Heinemann Educational Books, 1970.

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