Cita APA (7th ed.)

Smith, E. (1987). Examples in mathematics for GCSE: Higher level. Stanley Thornes.

Cita Chicago (17th ed.)

Smith, Ewart. Examples in Mathematics for GCSE: Higher Level. Cheltenhorn, England: Stanley Thornes, 1987.

Cita MLA (9th ed.)

Smith, Ewart. Examples in Mathematics for GCSE: Higher Level. Stanley Thornes, 1987.