Brunn, A., Baehr, L., & Karpe, H. (1992). Conversion: Opportunities for development and environment. Springer-Verlag.
Citazione stile Chigago Style (17a edizione)Brunn, A., L. Baehr, e H.-J Karpe. Conversion: Opportunities for Development and Environment. Berlin ; New York: Springer-Verlag, 1992.
Citatione MLA (9a ed.)Brunn, A., et al. Conversion: Opportunities for Development and Environment. Springer-Verlag, 1992.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.