Dyfyniad APA
Petersen, R. (2008). Linux: The complete reference (6th ed.). McGraw-Hill; Tata McGraw-Hill.
Dyfyniad Arddull Chicago
Petersen, Richard. Linux: The Complete Reference. 6th ed. New York ; New Delhi: McGraw-Hill; Tata McGraw-Hill, 2008.
Dyfyniad MLA
Petersen, Richard. Linux: The Complete Reference. 6th ed. McGraw-Hill; Tata McGraw-Hill, 2008.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.