Harris, R., & Seldon, A. (1977). Not from benevolence ..: 20 years of economic dissent. Institute of Economic Affairs.
Citazione stile Chigago Style (17a edizione)Harris, Ralph, e Arthur Seldon. Not from Benevolence ..: 20 Years of Economic Dissent. London: Institute of Economic Affairs, 1977.
Citatione MLA (9a ed.)Harris, Ralph, e Arthur Seldon. Not from Benevolence ..: 20 Years of Economic Dissent. Institute of Economic Affairs, 1977.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.