Cita APA (7th ed.)

Ogden, H., & Woodward, R. (1985). Spotlight on numeracy. Pitman.

Cita Chicago (17th ed.)

Ogden, Harry, i Rex Woodward. Spotlight on Numeracy. London: Pitman, 1985.

Cita MLA (8th ed.)

Ogden, Harry, i Rex Woodward. Spotlight on Numeracy. Pitman, 1985.