APA-ийн эшлэл(7 дахь хэвлэлт)

OCLC & ebrary, Inc. (2008). OCLC systems & services: International digital library perspectives. Emerald.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

OCLC ба Inc ebrary. OCLC Systems & Services: International Digital Library Perspectives. [Bradford, England]: Emerald, 2008.

MLA -ийн эшлэл (9 дэх хэвлэлт)

OCLC ба Inc ebrary. OCLC Systems & Services: International Digital Library Perspectives. Emerald, 2008.