(1921). Bothalia: A record of contributions from the National Herbarium, University of South Africa, Pretoria. Pretoria: Govt. Print. and Stationery Office.
Παραπομπή Chicago StyleBothalia: A Record of Contributions From the National Herbarium, University of South Africa, Pretoria. Pretoria: Govt. Print. and Stationery Office, 1921.
Παραπομπή MLABothalia: A Record of Contributions From the National Herbarium, University of South Africa, Pretoria. Pretoria: Govt. Print. and Stationery Office, 1921.
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