Graaf, M. v. d., & Eijndhoven, K. v. (2008). The European repository landscape: Inventory study into the present type and level of OAI-compliant digital respository activities in the EU. Amsterdam University Press.
芝加哥风格引文Graaf, Maurits van der, 与 Kwame van Eijndhoven. The European Repository Landscape: Inventory Study into the Present Type and Level of OAI-compliant Digital Respository Activities in the EU. Amsterdam: Amsterdam University Press, 2008.
MLA引文Graaf, Maurits van der, 与 Kwame van Eijndhoven. The European Repository Landscape: Inventory Study into the Present Type and Level of OAI-compliant Digital Respository Activities in the EU. Amsterdam University Press, 2008.
警告：这些引文格式不一定是100％准确.