Παραπομπή APA

Watson, G. A. (1979). Approximation theory and numerical methods. J. Wiley.

Παραπομπή Chicago Style

Watson, G. A. Approximation Theory and Numerical Methods. Chichester ; New York: J. Wiley, 1979.

Παραπομπή MLA

Watson, G. A. Approximation Theory and Numerical Methods. J. Wiley, 1979.