Herner, S., & Vellucci, M. J. (1972). National Inventory of Library Statistics Practices, Volume II; Agency Profiles and Individual Site Descriptions. Final Report.
Citazione stile Chigago Style (17a edizione)Herner, Saul, e Matthew J. Vellucci. National Inventory of Library Statistics Practices, Volume II; Agency Profiles and Individual Site Descriptions. Final Report. 1972.
Citatione MLA (9a ed.)Herner, Saul, e Matthew J. Vellucci. National Inventory of Library Statistics Practices, Volume II; Agency Profiles and Individual Site Descriptions. Final Report. 1972.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.