APA (7th ed.) Zitazioa
Collins, S. (2009). Effective communication: A workbook for social care workers. Jessica Kingsley.
Chicago Style (17th ed.) Zitazioa
Collins, Suzan. Effective Communication: A Workbook for Social Care Workers. London: Jessica Kingsley, 2009.
MLA (9th ed.) Zitazioa
Collins, Suzan. Effective Communication: A Workbook for Social Care Workers. Jessica Kingsley, 2009.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.