APA-viite

An investigation into refusal strategies to request by American speakers of English and Vietnamese learners of English.

Chicago-tyylinen lähdeviittaus

An Investigation Into Refusal Strategies to Request By American Speakers of English and Vietnamese Learners of English.

MLA-viite

An Investigation Into Refusal Strategies to Request By American Speakers of English and Vietnamese Learners of English.

Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.