Gaya APA
Kotey, P, F., Der-Houssikian, H. (1977).
Language and linguistic problems in Africa .
South Carolina:
Hornbeam Press.
Gaya MLA
Kotey, Paul, F.A.., Der-Houssikian, Haig.
"Language and linguistic problems in Africa".
South Carolina:
Hornbeam Press,
1977.
Text.