Hayes, R. M. (1974). The National Library Network, Its Economic Rationale and Funding. National Program for Libraries and Information Services Related Paper No. 9.
Chicago-Zitierstil (17. Ausg.)Hayes, Robert M. The National Library Network, Its Economic Rationale and Funding. National Program for Libraries and Information Services Related Paper No. 9. 1974.
MLA-Zitierstil (9. Ausg.)Hayes, Robert M. The National Library Network, Its Economic Rationale and Funding. National Program for Libraries and Information Services Related Paper No. 9. 1974.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.