Louis Harris and Associates. (1978). A survey of citizen views and concerns about urban life: Final report. Dept. of Housing and Urban Development, Office of Policy Development.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Louis Harris and Associates. A Survey of Citizen Views and Concerns About Urban Life: Final Report. [Washington]: Dept. of Housing and Urban Development, Office of Policy Development, 1978.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Louis Harris and Associates. A Survey of Citizen Views and Concerns About Urban Life: Final Report. Dept. of Housing and Urban Development, Office of Policy Development, 1978.
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