Schoonover, T., & Schoonover, E. Statistics for an understanding of foreign intrusions into Central America from the 1820s to 1930 (continued): Part 2.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Schoonover, Thomas, و Ebba Schoonover. Statistics for an Understanding of Foreign Intrusions into Central America from the 1820s to 1930 (continued): Part 2.
توثيق جمعية اللغة المعاصرة MLA (الإصدار التاسع)Schoonover, Thomas, و Ebba Schoonover. Statistics for an Understanding of Foreign Intrusions into Central America from the 1820s to 1930 (continued): Part 2.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.