Kenya National Archives & Soff, H. G. (1971). A guide to the Coast Province microfilm collection, Kenya National Archives: Kenya Seyidie (Coast) Province correspondence & reports, 1891-1962. Program of Eastern African Studies, Syracuse University.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Kenya National Archives و Harvey G. Soff. A Guide to the Coast Province Microfilm Collection, Kenya National Archives: Kenya Seyidie (Coast) Province Correspondence & Reports, 1891-1962. [Syracuse, N.Y.]: Program of Eastern African Studies, Syracuse University, 1971.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Kenya National Archives و Harvey G. Soff. A Guide to the Coast Province Microfilm Collection, Kenya National Archives: Kenya Seyidie (Coast) Province Correspondence & Reports, 1891-1962. Program of Eastern African Studies, Syracuse University, 1971.