Tohutoro APA (7th ed.)

Smith, R. W. (2013). LPIC-1: Linux Professional Institute Certification study guide (3rd ed.). John Wiley & Sons, Inc..

Tohutoru Kātū Chicago (17th ed.)

Smith, Roderick W. LPIC-1: Linux Professional Institute Certification Study Guide. 3rd ed. Indianapolis: John Wiley & Sons, Inc., 2013.

Tohutoro MLA (9th ed.)

Smith, Roderick W. LPIC-1: Linux Professional Institute Certification Study Guide. 3rd ed. John Wiley & Sons, Inc., 2013.