Oettcher, W. (1988). Sozialwissenschaften.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoru Kātū Chicago (17th ed.)
Oettcher, Winfried. Sozialwissenschaften. 1988.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
Tohutoro MLA (9th ed.)
Oettcher, Winfried. Sozialwissenschaften. 1988.
I tāruatia paitia ki te papatopenga
Kua rahua te tārua ki te papatopenga
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