Hellmann, E. (1940). Problems of urban Bantu youth: Report of an enquiry into the causes of early school-leaving and occupational opportunities amongst Bantu youth in Johannesburg. South African Institute of Race Relations.
Chicagoスタイル(17版)引用形式Hellmann, Ellen. Problems of Urban Bantu Youth: Report of an Enquiry into the Causes of Early School-leaving and Occupational Opportunities Amongst Bantu Youth in Johannesburg. Johannesburg: South African Institute of Race Relations, 1940.
MLA(8版)引用形式Hellmann, Ellen. Problems of Urban Bantu Youth: Report of an Enquiry into the Causes of Early School-leaving and Occupational Opportunities Amongst Bantu Youth in Johannesburg. South African Institute of Race Relations, 1940.
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