APA (7th ed.) Zitazioa
Callahan, A. (2017). Spirituality and hospice social work. Columbia University Press.
Chicago Style (17th ed.) Zitazioa
Callahan, Ann. Spirituality and Hospice Social Work. New York: Columbia University Press, 2017.
MLA (9th ed.) Zitazioa
Callahan, Ann. Spirituality and Hospice Social Work. Columbia University Press, 2017.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.