Não informado. (1971). IARC Scientific Publications. International Agency for Research on Cancer.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. IARC Scientific Publications. Lyon, França: International Agency for Research on Cancer, 1971.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. IARC Scientific Publications. International Agency for Research on Cancer, 1971.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.