Roberts, E. W. (1970). Order Forms, Invoicing Requirements and Book Processing Problems of Public Libraries in the United Kingdom.
Citazione stile Chigago Style (17a edizione)Roberts, E. W. Order Forms, Invoicing Requirements and Book Processing Problems of Public Libraries in the United Kingdom. 1970.
Citatione MLA (9a ed.)Roberts, E. W. Order Forms, Invoicing Requirements and Book Processing Problems of Public Libraries in the United Kingdom. 1970.
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