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Tohutoru Kātū Chicago (17th ed.)[Koenigsberg: Neubauten]. 1993.
Tohutoro MLA (9th ed.)[Koenigsberg: Neubauten]. 1993.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Tohutoro APA (7th ed.)