Tom Billington. Working with Children: Assessment, Representation and Intervention. SAGE.
Cita Chicago (17th ed.)Tom Billington. Working with Children: Assessment, Representation and Intervention. SAGE.
Cita MLA (8th ed.)Tom Billington. Working with Children: Assessment, Representation and Intervention. SAGE.
Atenció: Aquestes cites poden no estar 100% correctes.