Não informado. (1959). National Cancer Institute Monograph. U.S. Department of Health and Human Services, Public Health Service.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. National Cancer Institute Monograph. Bethesda, Md: U.S. Department of Health and Human Services, Public Health Service, 1959.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. National Cancer Institute Monograph. U.S. Department of Health and Human Services, Public Health Service, 1959.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.