Não informado. (1969). American Medical News. American Medical Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. American Medical News. Chicago, Ill: American Medical Association, 1969.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. American Medical News. American Medical Association, 1969.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.