توثيق جمعية علم النفس الأمريكية APA (الطبعة السابعة)

(1941). Europe's trade: A study of the trade of European Countries with each other and with the rest of the world. League of Nations.

توثيق أسلوب شيكاغو (الطبعة السابعة عشر)

Europe's Trade: A Study of the Trade of European Countries with Each Other and with the Rest of the World. Geneva: League of Nations, 1941.

توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)

Europe's Trade: A Study of the Trade of European Countries with Each Other and with the Rest of the World. League of Nations, 1941.