Παραπομπή σε μορφή APA (7η εκδ.)

Webb, N. L., & Romberg, T. A. (1994). Reforming mathematics education in America's cities: The urban mathematics collaborative project. Teachers College Press.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Webb, Norman L., και Thomas A. Romberg. Reforming Mathematics Education in America's Cities: The Urban Mathematics Collaborative Project. New York: Teachers College Press, 1994.

Παραπομπή σε μορφή MLA (9th εκδ.)

Webb, Norman L., και Thomas A. Romberg. Reforming Mathematics Education in America's Cities: The Urban Mathematics Collaborative Project. Teachers College Press, 1994.