Ada-Europe International Conference on Reliable Software Technologies Edibburgh, Scotland, SpringerLink (Online service), Romanovsky, A., & Vardanega, T. (2011). Reliable software technologies - Ada-Europe 2011: 16th Ada-Europe international conference on reliable software technologies, Edinburgh, UK, June 20-24, 2011 : proceedings. Springer.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ada-Europe International Conference on Reliable Software Technologies Edibburgh, Scotland, SpringerLink (Online service), Alexander Romanovsky, و Tullio Vardanega. Reliable Software Technologies - Ada-Europe 2011: 16th Ada-Europe International Conference on Reliable Software Technologies, Edinburgh, UK, June 20-24, 2011 : Proceedings. Berlin, Heidelberg: Springer, 2011.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ada-Europe International Conference on Reliable Software Technologies Edibburgh, Scotland, et al. Reliable Software Technologies - Ada-Europe 2011: 16th Ada-Europe International Conference on Reliable Software Technologies, Edinburgh, UK, June 20-24, 2011 : Proceedings. Springer, 2011.