Cita APA (7a ed.)

Graaf, M. v. d., & Vernooy-Gerritsen, M. (2009). The European repository landscape 2008: Inventory of digital repositories for research output. Amsterdam University Press.

Cita Chicago Style (17a ed.)

Graaf, Maurits van der, y Marjan Vernooy-Gerritsen. The European Repository Landscape 2008: Inventory of Digital Repositories for Research Output. Amsterdam: Amsterdam University Press, 2009.

Cita MLA (8a ed.)

Graaf, Maurits van der, y Marjan Vernooy-Gerritsen. The European Repository Landscape 2008: Inventory of Digital Repositories for Research Output. Amsterdam University Press, 2009.