(2007). Helping skills and strategies / Thomas M. Skovholt and David A. Rivers.
Cita Chicago (17th ed.)Helping Skills and Strategies / Thomas M. Skovholt and David A. Rivers. 2007.
Cita MLA (9th ed.)Helping Skills and Strategies / Thomas M. Skovholt and David A. Rivers. 2007.
Atenció: Aquestes cites poden no estar 100% correctes.