Tingey, C. (1989). Implementing early intervention. Paul H. Brookes.
Cita Chicago Style (17a ed.)Tingey, Carol. Implementing Early Intervention. Baltimore [etc.]: Paul H. Brookes, 1989.
Cita MLA (9a ed.)Tingey, Carol. Implementing Early Intervention. Paul H. Brookes, 1989.
Precaución: Estas citas no son 100% exactas.