SpringerLink (Online service), Pfeiffer, H. D., Ignatov, D. I., Poelmans, J., & Gadiraju, N. (2013). Conceptual Structures for STEM Research and Education: 20th International Conference on Conceptual Structures, ICCS 2013, Mumbai, India, January 10-12, 2013. Proceedings. Springer Berlin Heidelberg : Imprint: Springer.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Heather D. Pfeiffer, Dmitry I. Ignatov, Jonas Poelmans, και Nagarjuna Gadiraju. Conceptual Structures for STEM Research and Education: 20th International Conference on Conceptual Structures, ICCS 2013, Mumbai, India, January 10-12, 2013. Proceedings. Berlin, Heidelberg: Springer Berlin Heidelberg : Imprint: Springer, 2013.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Conceptual Structures for STEM Research and Education: 20th International Conference on Conceptual Structures, ICCS 2013, Mumbai, India, January 10-12, 2013. Proceedings. Springer Berlin Heidelberg : Imprint: Springer, 2013.
