Goodwin, B. L. (1975). A critical analysis of the concepts of human nature found in Utopian writers, 1790-1840, and of their implications for political and social organisation and ideals. University of Oxford.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Goodwin, Barbara L. A Critical Analysis of the Concepts of Human Nature Found in Utopian Writers, 1790-1840, and of Their Implications for Political and Social Organisation and Ideals. England: University of Oxford, 1975.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Goodwin, Barbara L. A Critical Analysis of the Concepts of Human Nature Found in Utopian Writers, 1790-1840, and of Their Implications for Political and Social Organisation and Ideals. University of Oxford, 1975.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.