(1963). The Gustav-Pollak-Lektures at Harvard University. Harvard Univ. Pr.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoru Kātū Chicago (17th ed.)
The Gustav-Pollak-Lektures at Harvard University. Cambridge, Mass: Harvard Univ. Pr, 1963.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
The Gustav-Pollak-Lektures at Harvard University. Harvard Univ. Pr, 1963.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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