Cita APA (7th ed.)

Schwartz, R. L., & Phoenix, T. (2001). Learning perl (3a. ed.). O'Reilly.

Cita Chicago (17th ed.)

Schwartz, Randal L., i Tom Phoenix. Learning Perl. 3a. ed. Beijing: O'Reilly, 2001.

Cita MLA (9th ed.)

Schwartz, Randal L., i Tom Phoenix. Learning Perl. 3a. ed. O'Reilly, 2001.