Picard,, Robert G. Media economics : concepts and issues / Robert G. Picard

Media economics : concepts and issues / Robert G. Picard . - Newbury Park : Sage Publications, cop. 1989 . - 136 p. : il. 22 cm . - (The Sage commText series; 22)
0-8039-3502-1 Brochado

659.3
338.46