Bardes, B. A., & Barbara A. Bardes; Mack C. Shelley; Steffan W. Schmidt. (2007). American government and politics today: The essentials. Belmont: Thomson Wadsworth.
استشهاد بنمط شيكاغوBardes, Barbara A., و Barbara A. Bardes; Mack C. Shelley; Steffan W. Schmidt. American Government and Politics Today: The Essentials. Belmont: Thomson Wadsworth, 2007.
MLA استشهادBardes, Barbara A., و Barbara A. Bardes; Mack C. Shelley; Steffan W. Schmidt. American Government and Politics Today: The Essentials. Belmont: Thomson Wadsworth, 2007.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.