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.
.