Παραπομπή σε μορφή APA (7η εκδ.)

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.

Παραπομπή σε μορφή Chicago (17η εκδ.)

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.

Παραπομπή σε μορφή MLA (8th εκδ.)

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.