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              ELLISON, CHRISTOPHER G./POWERS, DANIEL A. (1994): The Contact Hypothesis and Racial Attitu- des among Black Americans. In: Social Science Quarterly, 75, 2 (June), 385-400
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              Ellison, Christopher C., and Daniel A. Powers. 1994. "The Contact Hypothesis and Racial Attitudes among Black Americans." Social Science Quarterly 75 (2): 385-400.
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              Ellison, Christopher C., und Daniel A. Powers. 1994. The Contact Hypothesis and Racial Attitudes among Black Americans. Social Science Quarterly 75(2):385-400.
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