Bloomfield, E. C. (1977). Media cross-ownership, newspaper chains, competition and daily newspaper advertising rates.
Chicago-Zitierstil (17. Ausg.)Bloomfield, Edward C. Media Cross-ownership, Newspaper Chains, Competition and Daily Newspaper Advertising Rates. 1977.
MLA-Zitierstil (9. Ausg.)Bloomfield, Edward C. Media Cross-ownership, Newspaper Chains, Competition and Daily Newspaper Advertising Rates. 1977.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.