Fell, J. R. (1918). A Tonga grammar. Society for Promoting Christian Knowledge.
Lua i Stíl Chicago (17ú heag.)Fell, J. R. A Tonga Grammar. London: Society for Promoting Christian Knowledge, 1918.
Lua MLA (8ú heag.)Fell, J. R. A Tonga Grammar. Society for Promoting Christian Knowledge, 1918.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.