SpringerLink (Online service), Milson, A. J., Demirci, A., & Kerski, J. J. (2012). International Perspectives on Teaching and Learning with GIS in Secondary Schools. Springer Netherlands.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Andrew J. Milson, Ali Demirci, και Joseph J. Kerski. International Perspectives on Teaching and Learning with GIS in Secondary Schools. Dordrecht: Springer Netherlands, 2012.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. International Perspectives on Teaching and Learning with GIS in Secondary Schools. Springer Netherlands, 2012.
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