SpringerLink (Online service), Szpyrka, M., Zendulka, J., & Szmuc, T. (2012). Advances in software engineering techniques: 4th IFIP TC 2 Central and East European Conference on Software Engineering Techniques, CEE-SET 2009, Krakow, Poland, October 12-14, 2009. Revised Selected Papers. Springer Berlin Heidelberg.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)SpringerLink (Online service), Marcin Szpyrka, Jaroslav Zendulka, و Tomasz Szmuc. Advances in Software Engineering Techniques: 4th IFIP TC 2 Central and East European Conference on Software Engineering Techniques, CEE-SET 2009, Krakow, Poland, October 12-14, 2009. Revised Selected Papers. Berlin, Heidelberg: Springer Berlin Heidelberg, 2012.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)SpringerLink (Online service), et al. Advances in Software Engineering Techniques: 4th IFIP TC 2 Central and East European Conference on Software Engineering Techniques, CEE-SET 2009, Krakow, Poland, October 12-14, 2009. Revised Selected Papers. Springer Berlin Heidelberg, 2012.