Clapperton, H. (1966). Journal of a second expedition into the interior of Africa: From the Bight of Benin to Soccatoo; to which is added the Journal of Richard Lander from Kano to the seacoast, partly by a more eastern route. F. Cass.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Clapperton, Hugh. Journal of a Second Expedition into the Interior of Africa: From the Bight of Benin to Soccatoo; to Which Is Added the Journal of Richard Lander from Kano to the Seacoast, Partly by a More Eastern Route. London: F. Cass, 1966.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Clapperton, Hugh. Journal of a Second Expedition into the Interior of Africa: From the Bight of Benin to Soccatoo; to Which Is Added the Journal of Richard Lander from Kano to the Seacoast, Partly by a More Eastern Route. F. Cass, 1966.