Francis Woodman Cleaves (1976). “A Chinese Source Bearing on Marco Polo's Departure from China and a Persian Source on his Arrival in Persia”. Harvard Journal of Asiatic Studies36: 181–203. doi:10.2307/2718743. JSTOR2718743.
jstor.org
Francis Woodman Cleaves (1976). “A Chinese Source Bearing on Marco Polo's Departure from China and a Persian Source on his Arrival in Persia”. Harvard Journal of Asiatic Studies36: 181–203. doi:10.2307/2718743. JSTOR2718743.