Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

Spyra, Wolfgang, 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, 2007.

Παραπομπή σε μορφή MLA (8th εκδ.)

Spyra, Wolfgang, 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. Springer, 2007.