Citazione Stile APA (7a Edizione)
Hawkins, J. Voices of the Voiceless: Person-Centred Approaches for People with Learning Difficulties. PCCS Books.
Citazione stile Chigago Style (17a edizione)
Hawkins, Jan. Voices of the Voiceless: Person-Centred Approaches for People with Learning Difficulties. Ross-on-Wye, Inglaterra: PCCS Books.
Citatione MLA (9a ed.)
Hawkins, Jan. Voices of the Voiceless: Person-Centred Approaches for People with Learning Difficulties. PCCS Books.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.