APA ציטוט

Jack, D. T. (1958). Economic survey of Sierra Leone. Govt. Printing Office.

Chicago Style (17th ed.) Citation

Jack, D. T. Economic Survey of Sierra Leone. [Freetown]: Govt. Printing Office, 1958.

ציטוט MLA

Jack, D. T. Economic Survey of Sierra Leone. Govt. Printing Office, 1958.