(1966). Sierra Leone: Official standard names approved by the United States Board on Geographic Names.
Chicago-Zitierstil (17. Ausg.)Sierra Leone: Official Standard Names Approved by the United States Board on Geographic Names. Washington, DC, 1966.
MLA-Zitierstil (9. Ausg.)Sierra Leone: Official Standard Names Approved by the United States Board on Geographic Names. 1966.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.