Young, M., & Kyrillidou, M. (2003). ARL Preservation Statistics, 2001-02. A Compilation of Statistics from the Members of the Association of Research Libraries.
Citazione stile Chigago Style (17a edizione)Young, Mark, e Martha Kyrillidou. ARL Preservation Statistics, 2001-02. A Compilation of Statistics from the Members of the Association of Research Libraries. 2003.
Citatione MLA (9a ed.)Young, Mark, e Martha Kyrillidou. ARL Preservation Statistics, 2001-02. A Compilation of Statistics from the Members of the Association of Research Libraries. 2003.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.