توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

Crawford, O. G. S. (1958). Ethiopian iteneraries circa 1400-1524. Including those collected by Alessandro Zorzi at Venice in the years 1519-24. Edited by O.G.S. Crawford (1a. ed.). Hakluyt Society.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Crawford, O. G. S. Ethiopian Iteneraries Circa 1400-1524. Including Those Collected by Alessandro Zorzi at Venice in the Years 1519-24. Edited by O.G.S. Crawford. 1a. ed. Londres: Hakluyt Society, 1958.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Crawford, O. G. S. Ethiopian Iteneraries Circa 1400-1524. Including Those Collected by Alessandro Zorzi at Venice in the Years 1519-24. Edited by O.G.S. Crawford. 1a. ed. Hakluyt Society, 1958.