Massey, M. E. (1976). Market Analysis and Audience Research for Libraries.
Citazione stile Chigago Style (17a edizione)Massey, Morris E. Market Analysis and Audience Research for Libraries. 1976.
Citatione MLA (9a ed.)Massey, Morris E. Market Analysis and Audience Research for Libraries. 1976.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.