Wright, J. K. (1965). The geographical lore of the time of the Crusades: A study in the history of medieval science and tradition in Western Europe. Dover Publications.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Wright, John Kirtland. The Geographical Lore of the Time of the Crusades: A Study in the History of Medieval Science and Tradition in Western Europe. New York: Dover Publications, 1965.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Wright, John Kirtland. The Geographical Lore of the Time of the Crusades: A Study in the History of Medieval Science and Tradition in Western Europe. Dover Publications, 1965.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.