Schmid, Carol (1983). "Gastarbeiter in West Germany and Switzerland: An Assessment of Host Society-Immigrant Relations". Population Research and Policy Review. 2 (3): 233–252. doi:10.1007/BF00157998. ISSN0167-5923. JSTOR40229653. S2CID154839347.
Ireland, Patrick R. (1997). "Socialism, Unification Policy and the Rise of Racism in Eastern Germany". The International Migration Review. 31 (3): 541–568. doi:10.2307/2547285. ISSN0197-9183. JSTOR2547285.
Schmid, Carol (1983). "Gastarbeiter in West Germany and Switzerland: An Assessment of Host Society-Immigrant Relations". Population Research and Policy Review. 2 (3): 233–252. doi:10.1007/BF00157998. ISSN0167-5923. JSTOR40229653. S2CID154839347.
Stephen Castles, "The Guests Who Stayed - The Debate on 'Foreigners Policy' in the German Federal Republic," International Migration Review Vol. 19, No. 3, pp. 517-534 in JSTOR
Ireland, Patrick R. (1997). "Socialism, Unification Policy and the Rise of Racism in Eastern Germany". The International Migration Review. 31 (3): 541–568. doi:10.2307/2547285. ISSN0197-9183. JSTOR2547285.
Schmid, Carol (1983). "Gastarbeiter in West Germany and Switzerland: An Assessment of Host Society-Immigrant Relations". Population Research and Policy Review. 2 (3): 233–252. doi:10.1007/BF00157998. ISSN0167-5923. JSTOR40229653. S2CID154839347.
Schmid, Carol (1983). "Gastarbeiter in West Germany and Switzerland: An Assessment of Host Society-Immigrant Relations". Population Research and Policy Review. 2 (3): 233–252. doi:10.1007/BF00157998. ISSN0167-5923. JSTOR40229653. S2CID154839347.
Ireland, Patrick R. (1997). "Socialism, Unification Policy and the Rise of Racism in Eastern Germany". The International Migration Review. 31 (3): 541–568. doi:10.2307/2547285. ISSN0197-9183. JSTOR2547285.