| Orwig, Carol J | Extensions verbales en nugunu | 1989 | | Linguistics |
| Robinson, Clinton D. W | Language use and language attitudes: Communicating rural development in Africa | 1991 | British Studies in Applied Linguistics | Sociolinguistics |
| Patman, Frankie | Tone in the Nugunu verb phrase | 1991 | SIL International Publications in Linguistics | Linguistics |
| Tadadjeu, Maurice | Alphabets of Cameroon – Country Introduction from Alphabets of Africa | 1993 | | Literacy and Education |
| Orwig, Carol J | Relative time reference in Nugunu | 1991 | SIL International Publications in Linguistics | Linguistics |
| Gerhardt, Phyllis | Les temps en nugunu | 1989 | | Linguistics |
