Παραπομπή APA

Bell, S., & Matley, H. (1959). Mathematicas for Higher National Certificate. Cambridge University Press.

Παραπομπή Chicago Style

Bell, S.W, και H. Matley. Mathematicas for Higher National Certificate. Cambridge: Cambridge University Press, 1959.

Παραπομπή MLA

Bell, S.W, και H. Matley. Mathematicas for Higher National Certificate. Cambridge University Press, 1959.