Seventy years of the National Social Insurance Institute. Fifty years of general compulsory insurance for disability and old age; collection of studies

MLA

Istituto nazionale della previdenza sociale (Italy) and Giuseppe. Petrilli. Seventy years of the National Social Insurance Institute. Fifty years of general compulsory insurance for disability and old age; collection of studies. Rome, [publisher not identified], 1970 [that is, 1972]

APA

Istituto nazionale della previdenza sociale (Italy) & Petrilli, G. (1972). Seventy years of the National Social Insurance Institute. Fifty years of general compulsory insurance for disability and old age; collection of studies. Rome, [publisher not identified].

Chicago

Istituto nazionale della previdenza sociale (Italy) and Giuseppe. Petrilli. Seventy years of the National Social Insurance Institute. Fifty years of general compulsory insurance for disability and old age; collection of studies. Rome, [publisher not identified], 1970 [that is, 1972]