| GOST | Olderogge D. Africa’s Languages // Asia and Africa Today. – 1958. – Issue 9 C. 85-86 . |
|---|---|
| MLA | Olderogge, D. "Africa’s Languages." Asia and Africa Today. 9 (1958).:85-86. |
| APA | Olderogge D. (1958). Africa’s Languages. Asia and Africa Today. no. 9, pp.85-86 |
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