Cita APA (7a ed.)

WALSH C E. (1979). WORKED EXAMPLE A LEVEL PURE MATHS. CELTIC REVISION AIDS.

Cita Chicago Style (17a ed.)

WALSH C E. WORKED EXAMPLE A LEVEL PURE MATHS. LONDON: CELTIC REVISION AIDS, 1979.

Cita MLA (9a ed.)

WALSH C E. WORKED EXAMPLE A LEVEL PURE MATHS. CELTIC REVISION AIDS, 1979.