APA-viite

Hoàng Thị Thanh Trinh. (2004). An investigation into politeness in letters of invitation composed by American and Vietnamese.

Chicago-tyylinen lähdeviittaus

Hoàng Thị Thanh Trinh. An Investigation Into Politeness in Letters of Invitation Composed By American and Vietnamese. 2004.

MLA-viite

Hoàng Thị Thanh Trinh. An Investigation Into Politeness in Letters of Invitation Composed By American and Vietnamese. 2004.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.