APA-čujuhus (7. p.)

Cohen, N. E. (1964). Social work and social problems. N.A.S.W.

Chicago-čujuhus (17. p.)

Cohen, Nathan E. Social Work and Social Problems. New York: N.A.S.W, 1964.

MLA-čujuhus (9. p.)

Cohen, Nathan E. Social Work and Social Problems. N.A.S.W, 1964.

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