Duthie, A. V. (1930). List of vascular cryptogams and flowering plants of the Stellenbosch Flats. Nasionale Pers, Beperk.
Lua i Stíl Chicago (17ú heag.)Duthie, A. V. List of Vascular Cryptogams and Flowering Plants of the Stellenbosch Flats. Capetown: Nasionale Pers, Beperk, 1930.
Lua MLA (8ú heag.)Duthie, A. V. List of Vascular Cryptogams and Flowering Plants of the Stellenbosch Flats. Nasionale Pers, Beperk, 1930.
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