Não informado. (1859). Chemist and Druggist. Pharmaceutical Society of Northern Ireland.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Chemist and Druggist. Kent, Inglaterra: Pharmaceutical Society of Northern Ireland, 1859.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Chemist and Druggist. Pharmaceutical Society of Northern Ireland, 1859.
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