1 KNUTH, Donald E. The METAFONTbook [Elektronička građa] / Donald E. Knuth. - Reading : Addison-Wesley, 1986. -(Computers & typessetting ; C) 004.91 KNU M
2 DULEPOV, Dmitry TYPO3 extension development [Elektronička građa] : developer’s guide to creating feature-rich extensions using the TYPO3 API / Dmitry Dulepov. - Birmingham ; Mumbai : Packt Publishing, 2008. - 004.738.52 DUL T