APA Citation

Duncan Graham, Christine Graham, & Allan Whitcombe. A level mathematics. London: Letts Educational.

Chicago Style Citation

Duncan Graham, Christine Graham, and Allan Whitcombe. A Level Mathematics. London: Letts Educational.

MLA Citation

Duncan Graham, Christine Graham, and Allan Whitcombe. A Level Mathematics. London: Letts Educational.

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