Heffernan, J. (1988). Social work and social welfare: An introduction. West.
Cita Chicago (17th ed.)Heffernan, Joseph. Social Work and Social Welfare: An Introduction. West, 1988.
Cita MLA (9th ed.)Heffernan, Joseph. Social Work and Social Welfare: An Introduction. West, 1988.
Atenció: Aquestes cites poden no estar 100% correctes.