United States. Hydrographic Office. (1908). West coast of Africa: Cape Palmas to the Cape of Good Hope and the adjacent islands (3d ed.). Hydrographic Office under the authority of the Secretary of the Navy : U.S. G.P.O..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)United States. Hydrographic Office. West Coast of Africa: Cape Palmas to the Cape of Good Hope and the Adjacent Islands. 3d ed. Washington: Hydrographic Office under the authority of the Secretary of the Navy : U.S. G.P.O., 1908.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)United States. Hydrographic Office. West Coast of Africa: Cape Palmas to the Cape of Good Hope and the Adjacent Islands. 3d ed. Hydrographic Office under the authority of the Secretary of the Navy : U.S. G.P.O., 1908.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.