Olson, Kenneth S.; Reiman, D. William; Sabio, Fernando; da Silva, Filipe Alberto (2013). "The voiced linguolabial plosive in Kajoko". Journal of West African Languages. 42 (2): 68. Archived from the original on 2021-01-25. Retrieved 2017-11-13.
web.archive.org
Olson, Kenneth S.; Reiman, D. William; Sabio, Fernando; da Silva, Filipe Alberto (2013). "The voiced linguolabial plosive in Kajoko". Journal of West African Languages. 42 (2): 68. Archived from the original on 2021-01-25. Retrieved 2017-11-13.
