APA-viite

Welch, B. B. (1995). Practical programming in Tcl and Tk. Prentice Hall PTR.

Chicago-tyylinen lähdeviittaus

Welch, Brent B. Practical Programming in Tcl and Tk. New Jersey: Prentice Hall PTR, 1995.

MLA-viite

Welch, Brent B. Practical Programming in Tcl and Tk. Prentice Hall PTR, 1995.