Szwengrub, L. M. (1979). The integrated development of human and natural resources: The contribution of rural sociology. The Polish Academy of Sciences Press.
Chicago-Zitierstil (17. Ausg.)Szwengrub, Lili Maria. The Integrated Development of Human and Natural Resources: The Contribution of Rural Sociology. Wrocław [u.a.]: The Polish Academy of Sciences Press, 1979.
MLA-Zitierstil (9. Ausg.)Szwengrub, Lili Maria. The Integrated Development of Human and Natural Resources: The Contribution of Rural Sociology. The Polish Academy of Sciences Press, 1979.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.