Ciechocinska, M., & Strubelt, W. (1987). Determinants of Urban Development: Urban Research in Poland and West Germany.
Lua i Stíl Chicago (17ú heag.)Ciechocinska, Maria, agus Wendelin Strubelt. Determinants of Urban Development: Urban Research in Poland and West Germany. Bonn, 1987.
Lua MLA (8ú heag.)Ciechocinska, Maria, agus Wendelin Strubelt. Determinants of Urban Development: Urban Research in Poland and West Germany. 1987.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.