Dyfyniad APA

Lemay, L. (1999). Sams teach yourself Perl in 21 days. Sams Pub. ; techmedia.

Dyfyniad Arddull Chicago

Lemay, Laura. Sams Teach Yourself Perl in 21 Days. Indianapolis, Ind. : New Delhi: Sams Pub. ; techmedia, 1999.

Dyfyniad MLA

Lemay, Laura. Sams Teach Yourself Perl in 21 Days. Sams Pub. ; techmedia, 1999.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.