(1932). Duke University psychological monographs. Duke Univ. Pr.
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Kua rahua te tārua ki te papatopenga
Tohutoru Kātū Chicago (17th ed.)
Duke University Psychological Monographs. Durham, N.C: Duke Univ. Pr, 1932.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Duke University Psychological Monographs. Duke Univ. Pr, 1932.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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