Butler, J. W. (1894). Sketches of Mexico in prehistoric, primitive, colonial and modern times: Lectures at Syracuse university on the Graves foundation, 1894. Hunt & Eaton.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Butler, John Wesley. Sketches of Mexico in Prehistoric, Primitive, Colonial and Modern Times: Lectures at Syracuse University on the Graves Foundation, 1894. New York: Hunt & Eaton, 1894.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Butler, John Wesley. Sketches of Mexico in Prehistoric, Primitive, Colonial and Modern Times: Lectures at Syracuse University on the Graves Foundation, 1894. Hunt & Eaton, 1894.
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