Cita APA

Bell, S., & Matley, H. (1971). Mathematics for higher national certificate. Cambridge University Press.

Citación estilo Chicago

Bell, S.W, y H. Matley. Mathematics for Higher National Certificate. London: Cambridge University Press, 1971.

Cita MLA

Bell, S.W, y H. Matley. Mathematics for Higher National Certificate. Cambridge University Press, 1971.