Ecke, Y. H. P. v. (2007). Attachment and immigrants: Emotional security among Dutch and Belgian immigrants in California, U.S.A. Amsterdam University Press.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Ecke, Yolanda Herda Petrus van. Attachment and Immigrants: Emotional Security Among Dutch and Belgian Immigrants in California, U.S.A. [Amsterdam]: Amsterdam University Press, 2007.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Ecke, Yolanda Herda Petrus van. Attachment and Immigrants: Emotional Security Among Dutch and Belgian Immigrants in California, U.S.A. Amsterdam University Press, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.