APA-viite

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

Chicago-tyylinen lähdeviittaus

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

MLA-viite

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

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.