APA-viite

Anh, N. T. L. Effect of imposition on refusals of requests by Vietnamese ESL learners in speaking and emails.

Chicago-tyylinen lähdeviittaus

Anh, Nguyen Thi Lan. Effect of Imposition On Refusals of Requests By Vietnamese ESL Learners in Speaking and Emails.

MLA-viite

Anh, Nguyen Thi Lan. Effect of Imposition On Refusals of Requests By Vietnamese ESL Learners in Speaking and Emails.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.