Eckert, J. W. (2012). Linux+ guide to Linux certification (3rd ed.). Course Technology.
Citazione stile Chigago Style (17a edizione)Eckert, Jason W. Linux+ Guide to Linux Certification. 3rd ed. Boston, Mass: Course Technology, 2012.
Citatione MLA (9a ed.)Eckert, Jason W. Linux+ Guide to Linux Certification. 3rd ed. Course Technology, 2012.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.