Cita APA (7th ed.)

The Open University. Course Team & Pimm, D. (1992). Mathematics: Symbols and meanings. The Open University Press.

Cita Chicago (17th ed.)

The Open University. Course Team i David Pimm. Mathematics: Symbols and Meanings. Milton Keynes: The Open University Press, 1992.

Cita MLA (9th ed.)

The Open University. Course Team i David Pimm. Mathematics: Symbols and Meanings. The Open University Press, 1992.