An investigation into modality markers used in political speeches by US presidents.
استشهاد بنمط شيكاغوAn Investigation Into Modality Markers Used in Political Speeches By US Presidents.
MLA استشهادAn Investigation Into Modality Markers Used in Political Speeches By US Presidents.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.