APA引文

Key,, L. (2007). RHCE red hat certified engineer linux. Dreamtech.

Chicago Edition Citation

Key,, Learn. RHCE Red Hat Certified Engineer Linux. New Delhi: Dreamtech, 2007.

MLA引文

Key,, Learn. RHCE Red Hat Certified Engineer Linux. Dreamtech, 2007.

警告：這些引文格式不一定是100％准確.