Heller, W. (1989). Romania: Migration, Socio-economic Transformation and Perspectives of Regional Development. Peter Lang International Academic Publishers.
Chicago Style (17. basım) AtıfHeller, Wilfried. Romania: Migration, Socio-economic Transformation and Perspectives of Regional Development. Bern: Peter Lang International Academic Publishers, 1989.
MLA (9th ed.) AtıfHeller, Wilfried. Romania: Migration, Socio-economic Transformation and Perspectives of Regional Development. Peter Lang International Academic Publishers, 1989.
Uyarı: Bu alıntı herzaman %100 doğru olmayabilir..