Welch, B. B. [ca. 2000]. Practical programming in Tcl & Tk : Includes index. In Safari Tech Books Online (3 rd ed) [Cd]. Upper Saddle River, NJ: Prentice Hall.
ISO-690 (author-date, English)WELCH, Brent B., 2000. Practical programming in Tcl & Tk : Includes index. 3 rd ed. Upper Saddle River, NJ: Prentice Hall. ISBN 0130220280.
Modern Language Association 9th editionWelch, B. B. „Practical programming in Tcl & Tk : Includes index“. Safari Tech Books Online, 3 rd ed, cd, Prentice Hall, 2000.
Mohr Siebeck - Recht (Deutsch - Österreich)Welch, Brent B.: Practical programming in Tcl & Tk : Includes index, 3 rd ed. Aufl. Upper Saddle River, NJ 2000.
Emerald - HarvardWelch, B.B. (2000), Practical programming in Tcl & Tk : Includes index, Safari Tech Books Online, 3 rd ed., Bd. , Prentice Hall, Upper Saddle River, NJ.