Ueffing, P., Rowe, F., & Mulder, C. H. (2015). Differences in Attitudes towards Immigration between Australia and Germany: The Role of Immigration Policy. Federal Institute for Population Research.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ueffing, Philipp, Francisco Rowe, و Clara H. Mulder. Differences in Attitudes Towards Immigration Between Australia and Germany: The Role of Immigration Policy. Federal Institute for Population Research, 2015.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ueffing, Philipp, et al. Differences in Attitudes Towards Immigration Between Australia and Germany: The Role of Immigration Policy. Federal Institute for Population Research, 2015.
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