Não informado. (1973). Nursing care. National Foundation of Licensed Practical Nurses.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Nursing Care. New York: National Foundation of Licensed Practical Nurses, 1973.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Nursing Care. National Foundation of Licensed Practical Nurses, 1973.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.