Gaya APA
SCHWARTZ, R, L., CHRISTIANSEN, T.
(1997).
Learning Perl
(
2)
.
:
O\'Reilly & Associates.
Gaya MLA
SCHWARTZ, Randal, L.., CHRISTIANSEN, Tom.
"Learning Perl".
2
:
O\'Reilly & Associates,
1997.
Textbook.