s.sandige richard. (2001). Digital Design Essentials (photocopy). American: Prentice Hall.
Trích dẫn kiểu Chicagos.sandige richard. Digital Design Essentials (photocopy). American: Prentice Hall, 2001.
ציטוט MLAs.sandige richard. Digital Design Essentials (photocopy). American: Prentice Hall, 2001.
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