Firth, G. (2011). Using intensive interaction with a person with a social or communicative impairment. Jessica Kingsley Publishers.
Chicago-Zitierstil (17. Ausg.)Firth, Graham. Using Intensive Interaction with a Person with a Social or Communicative Impairment. London: Jessica Kingsley Publishers, 2011.
MLA-Zitierstil (9. Ausg.)Firth, Graham. Using Intensive Interaction with a Person with a Social or Communicative Impairment. Jessica Kingsley Publishers, 2011.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.