Não informado. (1971). Abstracta botanica. L. Eotvos University, Department of Plant Taxonomy and Ecology.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रNão informado. Abstracta Botanica. Budapest: L. Eotvos University, Department of Plant Taxonomy and Ecology, 1971.
एमएलए (8वां संस्करण) प्रशस्ति पत्रNão informado. Abstracta Botanica. L. Eotvos University, Department of Plant Taxonomy and Ecology, 1971.
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