SpringerLink (Online service), Meng, L., Zipf, A., & Winter, S. (2008). Map-based Mobile Services: Design, Interaction and Usability. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Liqiu Meng, Alexander Zipf, και Stephan Winter. Map-based Mobile Services: Design, Interaction and Usability. Berlin, Heidelberg: Springer Berlin Heidelberg, 2008.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Map-based Mobile Services: Design, Interaction and Usability. Springer Berlin Heidelberg, 2008.
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