Dyfyniad APA

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

Dyfyniad Arddull Chicago

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

Dyfyniad MLA

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

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.