SpringerLink (Online service), Falcão e Cunha, J., Snene, M., & Nóvoa, H. (2013). Exploring Services Science: 4th International Conference, IESS 2013, Porto, Portugal, February 7-8, 2013. Proceedings. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), João Falcão e Cunha, Mehdi Snene, και Henriqueta Nóvoa. Exploring Services Science: 4th International Conference, IESS 2013, Porto, Portugal, February 7-8, 2013. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2013.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Exploring Services Science: 4th International Conference, IESS 2013, Porto, Portugal, February 7-8, 2013. Proceedings. Springer Berlin Heidelberg : Imprint: Springer, 2013.
