Roberts, S. A., & Brittain, J. M. (1981). Demand and Supply Patterns for Documents and Data in the United Kingdom.
Citazione stile Chigago Style (17a edizione)Roberts, Stephen A., e J. Michael Brittain. Demand and Supply Patterns for Documents and Data in the United Kingdom. 1981.
Citatione MLA (9a ed.)Roberts, Stephen A., e J. Michael Brittain. Demand and Supply Patterns for Documents and Data in the United Kingdom. 1981.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.