APA-viite (7. p.)
Achiba, M. (2003). Learning to request in a second language: A study of child interlanguage pragmatics. Multilingual Matters.
Chicago-viite (17. p.)
Achiba, Machiko. Learning to Request in a Second Language: A Study of Child Interlanguage Pragmatics. Clevedon [England] ; Buffalo [N.Y.]: Multilingual Matters, 2003.
MLA-viite (9. p.)
Achiba, Machiko. Learning to Request in a Second Language: A Study of Child Interlanguage Pragmatics. Multilingual Matters, 2003.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.