Cita APA (7th ed.)

Smith, E. (1988). Examples in mathematics for GCSE: Intermediate level. Stanley Thornes.

Cita Chicago (17th ed.)

Smith, Ewart. Examples in Mathematics for GCSE: Intermediate Level. England: Stanley Thornes, 1988.

Cita MLA (9th ed.)

Smith, Ewart. Examples in Mathematics for GCSE: Intermediate Level. Stanley Thornes, 1988.