(2011). LPIC-2 Linux Professional Institute certification study guide (exams 201 and 202) / Roderick W. Smith. [electronic resource].
Citazione stile Chigago Style (17a edizione)LPIC-2 Linux Professional Institute Certification Study Guide (exams 201 and 202) / Roderick W. Smith. [electronic Resource]. 2011.
Citatione MLA (9a ed.)LPIC-2 Linux Professional Institute Certification Study Guide (exams 201 and 202) / Roderick W. Smith. [electronic Resource]. 2011.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.