Prodger, P. Illustration as strategy in Charles Darwin's "The Expression of the Emotions in Man and Animals": Phillip Prodger. Inscribing science : scientific texts and the materiality of communication.(1998).
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Prodger, Phillip. "Illustration as Strategy in Charles Darwin's "The Expression of the Emotions in Man and Animals": Phillip Prodger." Inscribing Science : Scientific Texts and the Materiality of Communication.(1998) .
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Prodger, Phillip. "Illustration as Strategy in Charles Darwin's "The Expression of the Emotions in Man and Animals": Phillip Prodger." Inscribing Science : Scientific Texts and the Materiality of Communication.(1998), .
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