SpringerLink (Online service), Spyra, W., & Katzsch, M. (2007). Environmental Security and Public Safety: Problems and Needs in Conversion Policy and Research after 15 Years of Conversion in Central and Eastern Europe. Springer Netherlands.
Παραπομπή σε μορφή Chicago (17η εκδ.)SpringerLink (Online service), Wolfgang Spyra, και Michael Katzsch. Environmental Security and Public Safety: Problems and Needs in Conversion Policy and Research After 15 Years of Conversion in Central and Eastern Europe. Dordrecht: Springer Netherlands, 2007.
Παραπομπή σε μορφή MLA (8th εκδ.)SpringerLink (Online service), et al. Environmental Security and Public Safety: Problems and Needs in Conversion Policy and Research After 15 Years of Conversion in Central and Eastern Europe. Springer Netherlands, 2007.
