Weisberger, B. A., & Harwood, M. (1970). The Amercian Heritage History of the Amercian People. American Heritage publishing.
استشهاد بنمط شيكاغوWeisberger, Bernard A., و Michael Harwood. The Amercian Heritage History of the Amercian People. New York: American Heritage publishing, 1970.
MLA استشهادWeisberger, Bernard A., و Michael Harwood. The Amercian Heritage History of the Amercian People. American Heritage publishing, 1970.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.