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Tohutoru Kātū Chicago (17th ed.)[Del'vig, Andrej Ivanovič]. 1982.
Tohutoro MLA (9th ed.)[Del'vig, Andrej Ivanovič]. 1982.
Kia tūpato: Kāore pea ēnei kupu hautoa i te ōrite pū 100%.
Tohutoro APA (7th ed.)