Nichols, A. E. (1950). Survey of the secondary schools of Sierra Leone: With recommendations concerning their curricula. Govt. Printer.
Lua i Stíl Chicago (17ú heag.)Nichols, Arthur Eastwood. Survey of the Secondary Schools of Sierra Leone: With Recommendations Concerning Their Curricula. Freetown, Sierra Leone: Govt. Printer, 1950.
Lua MLA (8ú heag.)Nichols, Arthur Eastwood. Survey of the Secondary Schools of Sierra Leone: With Recommendations Concerning Their Curricula. Govt. Printer, 1950.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.