Παραπομπή APA

Ahlberg, J., & Nilson, E. W. J. (1967). Theory of Splines and Their Applications. Academic Press.

Παραπομπή Chicago Style

Ahlberg, J.H, και EN Walsh. J.L Nilson. Theory of Splines and Their Applications. Orlands: Academic Press, 1967.

Παραπομπή MLA

Ahlberg, J.H, και EN Walsh. J.L Nilson. Theory of Splines and Their Applications. Academic Press, 1967.