SpringerLink (Online service), Lai, P. C., & Mak, A. S. H. (2007). GIS for Health and the Environment: Development in the Asia-Pacific Region With 110 Figures. Springer Berlin Heidelberg.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Poh C. Lai, και Ann S. H. Mak. GIS for Health and the Environment: Development in the Asia-Pacific Region With 110 Figures. Berlin, Heidelberg: Springer Berlin Heidelberg, 2007.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. GIS for Health and the Environment: Development in the Asia-Pacific Region With 110 Figures. Springer Berlin Heidelberg, 2007.
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