Citação norma APA

An investigation into modality markers used in political speeches by US presidents.

Citação norma Chicago

An Investigation Into Modality Markers Used in Political Speeches By US Presidents.

Citação norma MLA

An Investigation Into Modality Markers Used in Political Speeches By US Presidents.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.