Cita APA (7a ed.)

Barbetta, G. P. (1993). Defining the nonprofit sector: Italy. Johns Hopkins Institute for Policy Studies.

Cita Chicago Style (17a ed.)

Barbetta, Gian Paolo. Defining the Nonprofit Sector: Italy. Baltimore: Johns Hopkins Institute for Policy Studies, 1993.

Cita MLA (9a ed.)

Barbetta, Gian Paolo. Defining the Nonprofit Sector: Italy. Johns Hopkins Institute for Policy Studies, 1993.