APA-referens (7:e uppl.)

Wyke, A. R. a. T. (2001). Perl: A beginners's guide. Osborne/McGraw-Hill.

Chicago-referens (17:e uppl.)

Wyke, Allen R. and Thomas. Perl: A Beginners's Guide. Berkeley, Calif: Osborne/McGraw-Hill, 2001.

MLA-referens (9:e uppl.)

Wyke, Allen R. and Thomas. Perl: A Beginners's Guide. Osborne/McGraw-Hill, 2001.