Tyson, T. (1998). Working with groups (2.). Macmillan India.
Citación estilo ChicagoTyson, Trevor. Working with Groups. 2. Australia: Macmillan India, 1998.
Cita MLATyson, Trevor. Working with Groups. 2. Macmillan India, 1998.
Warning: These citations may not always be 100% accurate.