एपीए उद्धरण

Tôn,Nữ Hoàng Yến. (2016). A corpus-based research on linguistic expressions denoting politeness in american and british political speeches. ĐHNN.

शिकागो स्टाइल उद्धरण

Tôn,Nữ Hoàng Yến. A Corpus-based Research On Linguistic Expressions Denoting Politeness in American and British Political Speeches. ĐHNN, 2016.

एमएलए उद्धरण

Tôn,Nữ Hoàng Yến. A Corpus-based Research On Linguistic Expressions Denoting Politeness in American and British Political Speeches. ĐHNN, 2016.