Lemberg, M. R., & Wyndham, R. A. (1937). Some observations on the occurrence of bile pigment hæmochromogens in nature and on their formation from hæmatin and hæmoglobin. Zenodo.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Lemberg, Max Rudolf, و Robert Alexander Wyndham. Some Observations on the Occurrence of Bile Pigment Hæmochromogens in Nature and on Their Formation from Hæmatin and Hæmoglobin. Zenodo, 1937.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Lemberg, Max Rudolf, و Robert Alexander Wyndham. Some Observations on the Occurrence of Bile Pigment Hæmochromogens in Nature and on Their Formation from Hæmatin and Hæmoglobin. Zenodo, 1937.
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