(1921). Bothalia: A record of contributions from the National Herbarium, University of South Africa, Pretoria. Pretoria: Govt. Print. and Stationery Office.
استشهاد بنمط شيكاغوBothalia: A Record of Contributions From the National Herbarium, University of South Africa, Pretoria. Pretoria: Govt. Print. and Stationery Office, 1921.
MLA استشهادBothalia: A Record of Contributions From the National Herbarium, University of South Africa, Pretoria. Pretoria: Govt. Print. and Stationery Office, 1921.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.