Thomas, R., & Yates, J. (1985). A User Guide to the Unix System. California: McGraw-Hill.
Trích dẫn kiểu ChicagoThomas, Rebecca, và Jean Yates. A User Guide to the Unix System. California: McGraw-Hill, 1985.
Deismireacht MLAThomas, Rebecca, và Jean Yates. A User Guide to the Unix System. California: McGraw-Hill, 1985.
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