Parkes, M. (1999). A Review of the Preservation Issues Associated with Digital Documents.
Citazione stile Chigago Style (17a edizione)Parkes, Mitchell. A Review of the Preservation Issues Associated with Digital Documents. 1999.
Citatione MLA (9a ed.)Parkes, Mitchell. A Review of the Preservation Issues Associated with Digital Documents. 1999.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.