Citazione Stile APA (7a Edizione)

Downes, L. W., & Paling, D. (1959). The teaching of arithmetic in primary schools. Oxford University Press.

Citazione stile Chigago Style (17a edizione)

Downes, L. W., e D. Paling. The Teaching of Arithmetic in Primary Schools. London: Oxford University Press, 1959.

Citatione MLA (8a ed.)

Downes, L. W., e D. Paling. The Teaching of Arithmetic in Primary Schools. Oxford University Press, 1959.