Stevenson, D. K. (1998). American life and institutions. Washington, D.C: United States Department of State.
استشهاد بنمط شيكاغوStevenson, Douglas K. American Life and Institutions. Washington, D.C: United States Department of State, 1998.
MLA استشهادStevenson, Douglas K. American Life and Institutions. Washington, D.C: United States Department of State, 1998.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.