Não informado. (1978). Journal of Epidemiology and Community Health. British Medical Association.
Παραπομπή σε μορφή Chicago (17η εκδ.)Não informado. Journal of Epidemiology and Community Health. London: British Medical Association, 1978.
Παραπομπή σε μορφή MLA (8th εκδ.)Não informado. Journal of Epidemiology and Community Health. British Medical Association, 1978.
Πρόσοχή: Οι παραπομπές μπορεί να μην είναι 100% ακριβείς.