(2007). English Language Proficiency Assessment in the Pacific Region. Regional Educational Laboratory Program.
Chicago-viite (17. p.)English Language Proficiency Assessment in the Pacific Region. Regional Educational Laboratory Program, 2007.
MLA-viite (9. p.)English Language Proficiency Assessment in the Pacific Region. Regional Educational Laboratory Program, 2007.
Varoitus: Nämä viitteet eivät aina ole täysin luotettavia.