Marllan, F. G. J. (1963). Ordinary Level Mathematics. Edward Arnold.
Cita Chicago (17th ed.)Marllan, F. G. J. Ordinary Level Mathematics. London: Edward Arnold, 1963.
Cita MLA (9th ed.)Marllan, F. G. J. Ordinary Level Mathematics. Edward Arnold, 1963.
Atenció: Aquestes cites poden no estar 100% correctes.