Nyrop, R. F. (1969). . U.S government printing office.
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Tohutoru Kātū Chicago (17th ed.)
Nyrop, Richard F. . Washington D.C: U.S government printing office, 1969.
I tāruatia paitia ki te papatopenga
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Tohutoro MLA (9th ed.)
Nyrop, Richard F. . U.S government printing office, 1969.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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