Churchyard, C. M. (1959). Tongan dictionary: Tonagn-English and English-Tongan. Oxford University Press.
Čikaški stil citiranja (17. izdanje)Churchyard, Clerk Maxwell. Tongan Dictionary: Tonagn-English and English-Tongan. London: Oxford University Press, 1959.
MLA način citiranja (9. izdanje)Churchyard, Clerk Maxwell. Tongan Dictionary: Tonagn-English and English-Tongan. Oxford University Press, 1959.
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