PURCELL, J. (2000). Linux complete command reference: The cd-rom include acomplete electronic, easy to search pdf ....-- ed.1. Red Hat Software.
芝加哥风格引文PURCELL, J. Linux Complete Command Reference: The Cd-rom Include Acomplete Electronic, Easy to Search Pdf ....-- Ed.1. Indiana: Red Hat Software, 2000.
MLA引文PURCELL, J. Linux Complete Command Reference: The Cd-rom Include Acomplete Electronic, Easy to Search Pdf ....-- Ed.1. Red Hat Software, 2000.
警告：这些引文格式不一定是100％准确.