Não informado. (1969). Sida, Contributions to Botany. Southern Methodist University.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Sida, Contributions to Botany. Dallas, Tex: Southern Methodist University, 1969.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Sida, Contributions to Botany. Southern Methodist University, 1969.
चेतावनी: ये उद्धरण हमेशा 100% सटीक नहीं हो सकते हैं.
