Holzner, S. (2001). Perl black book (2nd ed.). Coriolis Group Books.
芝加哥风格引文Holzner, Steven. Perl Black Book. 2nd ed. Scottsdale, Ariz.: Coriolis Group Books, 2001.
MLA引文Holzner, Steven. Perl Black Book. 2nd ed. Coriolis Group Books, 2001.
警告：这些引文格式不一定是100％准确.