Brunn, A., Baehr, L., & Karpe, H. (1992). Conversion: Opportunities for development and environment. Springer-Verlag.
Chicago-čujuhus (17. p.)Brunn, A., L. Baehr, juo H.-J Karpe. Conversion: Opportunities for Development and Environment. Berlin ; New York: Springer-Verlag, 1992.
MLA-čujuhus (9. p.)Brunn, A., et al. Conversion: Opportunities for Development and Environment. Springer-Verlag, 1992.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.