Brunn, A., Baehr, L., & Karpe, H. (1992). Conversion: Opportunities for development and environment. Springer-Verlag.
Παραπομπή σε μορφή Chicago (17η εκδ.)Brunn, A., L. Baehr, και H.-J Karpe. Conversion: Opportunities for Development and Environment. Berlin ; New York: Springer-Verlag, 1992.
Παραπομπή σε μορφή MLA (9th εκδ.)Brunn, A., et al. Conversion: Opportunities for Development and Environment. Springer-Verlag, 1992.