Gaya APA

Learning Perl/Tk. (1999). USA: O\'Reily &Associates, Inc..

Gaya Chicago

Learning Perl/Tk. . USA: O\'Reily &Associates, Inc., 1999. .

Gaya MLA

Learning Perl/Tk. . USA: O\'Reily &Associates, Inc., 1999. .

Gaya Turabian

Learning Perl/Tk. USA: O\'Reily &Associates, Inc., 1999. .