APA-viite (7. p.)

Shapiro, H. S. (1969). Smoothing and approximation of functions. D. Van Nostrand.

Chicago-viite (17. p.)

Shapiro, Harold S. Smoothing and Approximation of Functions. Nueva York: D. Van Nostrand, 1969.

MLA-viite (9. p.)

Shapiro, Harold S. Smoothing and Approximation of Functions. D. Van Nostrand, 1969.