Eckert, J. W. (2006). Linux+ guide to linux certification (2nd ed.). Thomson Course Technology.
Citazione stile Chigago Style (17a edizione)Eckert, Jason W. Linux+ Guide to Linux Certification. 2nd ed. Australia: Thomson Course Technology, 2006.
Citatione MLA (9a ed.)Eckert, Jason W. Linux+ Guide to Linux Certification. 2nd ed. Thomson Course Technology, 2006.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.