Lefèvre, W. Inheritance of acquired characters in Lamarck's and Geoffrey Saint Hilaire's zoology: Wolfgang Lefèvre. Conference A Cultural History of Heredity II : 18th and 19th centuries.(2003).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lefèvre, Wolfgang. "Inheritance of Acquired Characters in Lamarck's and Geoffrey Saint Hilaire's Zoology: Wolfgang Lefèvre." Conference A Cultural History of Heredity II : 18th and 19th Centuries.(2003) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Lefèvre, Wolfgang. "Inheritance of Acquired Characters in Lamarck's and Geoffrey Saint Hilaire's Zoology: Wolfgang Lefèvre." Conference A Cultural History of Heredity II : 18th and 19th Centuries.(2003), .
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