SpringerLink (Online service), Lämmel, R., Saraiva, J., & Visser, J. (2013). Generative and Transformational Techniques in Software Engineering IV: International Summer School, GTTSE 2011, Braga, Portugal, July 3-9, 2011. Revised Papers. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Ralf Lämmel, João Saraiva, και Joost Visser. Generative and Transformational Techniques in Software Engineering IV: International Summer School, GTTSE 2011, Braga, Portugal, July 3-9, 2011. Revised Papers. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2013.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Generative and Transformational Techniques in Software Engineering IV: International Summer School, GTTSE 2011, Braga, Portugal, July 3-9, 2011. Revised Papers. Springer Berlin Heidelberg : Imprint: Springer, 2013.
