Langeland, P. (1970). Population screening for female breast tumours: A clinical investigation in Malmö, 1966 and 1967. [Translated by L. James Brown].
Chicago-referens (17:e uppl.)Langeland, Per. Population Screening for Female Breast Tumours: A Clinical Investigation in Malmö, 1966 and 1967. [Translated by L. James Brown]. Stockholm, 1970.
MLA-referens (8:e uppl.)Langeland, Per. Population Screening for Female Breast Tumours: A Clinical Investigation in Malmö, 1966 and 1967. [Translated by L. James Brown]. 1970.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.