Porterfield, J. (2005). The Homestead Act of 1862: A primary source history of the settlement of the American Heartland in the late 19th Century. Rosen Pub. Group.
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Porterfield, Jason. The Homestead Act of 1862: A Primary Source History of the Settlement of the American Heartland in the Late 19th Century. New York: Rosen Pub. Group, 2005.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Porterfield, Jason. The Homestead Act of 1862: A Primary Source History of the Settlement of the American Heartland in the Late 19th Century. Rosen Pub. Group, 2005.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.