Παραπομπή σε μορφή APA (7η εκδ.)

North, R. (1965). The art of algebra: A simplified account of numbers, equations, groups, and continued fractions. Pergamon Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

North, Roger. The Art of Algebra: A Simplified Account of Numbers, Equations, Groups, and Continued Fractions. Oxford ; New York: Pergamon Press, 1965.

Παραπομπή σε μορφή MLA (9th εκδ.)

North, Roger. The Art of Algebra: A Simplified Account of Numbers, Equations, Groups, and Continued Fractions. Pergamon Press, 1965.