Edwards, B. (1972). Sources of economic and business statistics. Heinemann.
Citazione stile Chigago Style (17a edizione)Edwards, Bernard. Sources of Economic and Business Statistics. London: Heinemann, 1972.
Citatione MLA (9a ed.)Edwards, Bernard. Sources of Economic and Business Statistics. Heinemann, 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.