Tennstedt, S.(1998). The Relative Contribution of Ethnicity Versus Socioeconomic Status in Explaining Differences in Disability and Receipt of Informal Care. The Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 53B(2), S61-S70. doi:10.1093/geronb/53b.2.s61

Tennstedt, S. "The Relative Contribution of Ethnicity Versus Socioeconomic Status in Explaining Differences in Disability and Receipt of Informal Care". The Journals of Gerontology Series B: Psychological Sciences and Social Sciences, 53B.2 ( 1998 ): S61-S70.