Gaya APA

Hahn, H. (1996). Harley Hahn's student guide to Unix (2nd ed.). United State of America: WCB/McGraw-Hill.

Gaya MLA

Hahn, Harley. "Harley Hahn's student guide to Unix". 2nd ed. United State of America: WCB/McGraw-Hill, 1996. print.