Dyfyniad APA

Heffernan, J. (1988). Social work and social welfare: An introduction. West.

Dyfyniad Arddull Chicago

Heffernan, Joseph. Social Work and Social Welfare: An Introduction. West, 1988.

Dyfyniad MLA

Heffernan, Joseph. Social Work and Social Welfare: An Introduction. West, 1988.

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