Cita APA (7th ed.)

Greer, A. (1981). Revision practice in new mathematics. Cheltenham, Glos : Stanley Thornes.

Cita Chicago (17th ed.)

Greer, A. Revision Practice in New Mathematics. Cheltenham, Glos : Stanley Thornes, 1981.

Cita MLA (9th ed.)

Greer, A. Revision Practice in New Mathematics. Cheltenham, Glos : Stanley Thornes, 1981.

Atenció: Aquestes cites poden no estar 100% correctes.