Cessac, J. (1963). Science teaching in the secondary schools of Tropical Africa. UNESCO.
Lua i Stíl Chicago (17ú heag.)Cessac, Jean. Science Teaching in the Secondary Schools of Tropical Africa. Paris: UNESCO, 1963.
Lua MLA (8ú heag.)Cessac, Jean. Science Teaching in the Secondary Schools of Tropical Africa. UNESCO, 1963.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.