APA (7 ম সংস্করণ) উদ্ধৃতি

Nichols, A. E. (1950). Survey of the secondary schools of Sierra Leone: With recommendations concerning their curricula. Govt. Printer.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

Nichols, Arthur Eastwood. Survey of the Secondary Schools of Sierra Leone: With Recommendations Concerning Their Curricula. Freetown, Sierra Leone: Govt. Printer, 1950.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

Nichols, Arthur Eastwood. Survey of the Secondary Schools of Sierra Leone: With Recommendations Concerning Their Curricula. Govt. Printer, 1950.