(1943). Readings in the geography of France, Germany, Flanders, and the Netherlands: A selection of articles from the Geographical review. American geographical society.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Readings in the Geography of France, Germany, Flanders, and the Netherlands: A Selection of Articles from the Geographical Review. New York: American geographical society, 1943.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Readings in the Geography of France, Germany, Flanders, and the Netherlands: A Selection of Articles from the Geographical Review. American geographical society, 1943.
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