Haacke, Wilfrid H. G., Kamusella, Tomasz; Ndhlovu, Finex , 编, Khoekhoegowab (Nama/Damara), The Social and Political History of Southern Africa's Languages (Palgrave Macmillan UK), 2018: 133–158, doi:10.1057/978-1-137-01593-8_9（英语）
glottolog.org
Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (编). North Khoekhoe. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016.
Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (编). Nama (Namibia). Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016.
Hammarström, Harald; Forkel, Robert; Haspelmath, Martin; Bank, Sebastian (编). Hai//om-Akhoe. Glottolog 2.7. Jena: Max Planck Institute for the Science of Human History. 2016.
