Fog, B. (1953) “William H. Nicholls: Price Policies in the Cigarette Industry. The Vanderbilt University Press. Nashville 1951. 464 sider. Pris: $6.00”., Nationaløkonomisk Tidsskrift, 91. Tilgængelig hos: https://tidsskrift.dk/nationaloekonomisktidsskrift/article/view/60616 (Set: 5 december 2025).