Παραπομπή σε μορφή APA (7η εκδ.)

Scriba, C. J. (1968). The concept of number: A chapter in the history of mathematics, with applications of interest to teachers. Bibliographisches Institut.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Scriba, Christoph J. The Concept of Number: A Chapter in the History of Mathematics, with Applications of Interest to Teachers. Mannheim ; Zürich: Bibliographisches Institut, 1968.

Παραπομπή σε μορφή MLA (9th εκδ.)

Scriba, Christoph J. The Concept of Number: A Chapter in the History of Mathematics, with Applications of Interest to Teachers. Bibliographisches Institut, 1968.