Brunn, A., Baehr, L., & Karpe, H. (1992). Conversion: Opportunities for development and environment. Springer-Verlag.
Lua i Stíl Chicago (17ú heag.)Brunn, A., L. Baehr, agus H.-J Karpe. Conversion: Opportunities for Development and Environment. Berlin ; New York: Springer-Verlag, 1992.
Lua MLA (9ú heag.)Brunn, A., et al. Conversion: Opportunities for Development and Environment. Springer-Verlag, 1992.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.