Não informado. (1967). Bulletin cancer. International Union Against Cancer.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Bulletin Cancer. Geneve, Suíça: International Union Against Cancer, 1967.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Bulletin Cancer. International Union Against Cancer, 1967.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.