Citazione Stile APA (7a Edizione)

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

Citazione stile Chigago Style (17a edizione)

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

Citatione MLA (9a ed.)

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