Não informado. (1961). Quarterly Journal of Crude Drug Research. Swets Publishing Service.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Journal of Crude Drug Research. Lisse, Holanda: Swets Publishing Service, 1961.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Quarterly Journal of Crude Drug Research. Swets Publishing Service, 1961.
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