Não informado. (1934). South African Pharmaceutical Journal. Associated Pharmaceutical Societies of South Africa.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. South African Pharmaceutical Journal. Braamfontein, Africa do Sul: Associated Pharmaceutical Societies of South Africa, 1934.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. South African Pharmaceutical Journal. Associated Pharmaceutical Societies of South Africa, 1934.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.