Seabrook, J. (1978). What went wrong?: Why hasn't having more made people happier? Pantheon.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Seabrook, Jeremy. What Went Wrong?: Why Hasn't Having More Made People Happier? New York: Pantheon, 1978.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Seabrook, Jeremy. What Went Wrong?: Why Hasn't Having More Made People Happier? Pantheon, 1978.
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