Namibia: People and Society (页面存档备份,存于互联网档案馆),CIA Factbook, United States; "about 50% of the population belong to the Ovambo tribe", total population: 2.4 million
Harding, J. R. Interpreting the 'White Lady' Rock-Painting of South West Africa: Some Considerations. The South African Archaeological Bulletin. 1968, 23 (90): 31. doi:10.2307/3887746.
Loeb, Edwin M. Kuanyama Ambo Magic. The Journal of American Folklore (American Folklore Society). 1955, 68 (269): 291. doi:10.2307/536908.
Namibia: People and Society (页面存档备份,存于互联网档案馆),CIA Factbook, United States; "about 50% of the population belong to the Ovambo tribe", total population: 2.4 million