Não informado. (1980). Nursing & Health Care. National League for Nursing.
Chicago-Zitierstil (17. Ausg.)Não informado. Nursing & Health Care. New York: National League for Nursing, 1980.
MLA-Zitierstil (8. Ausg.)Não informado. Nursing & Health Care. National League for Nursing, 1980.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.