Gaya APA

Labahn, J, D, D, R, H, M, G, H. (1997). Advanced Perl Programming (Inf10) . Kanada: Sriram Srinivasan.

Gaya MLA

Labahn, John, Dryden,, Douglas, R., Hofstadter,, Monagan,, Geddes,, Heal,. "Advanced Perl Programming (Inf10)". Kanada: Sriram Srinivasan, 1997. Text.