APA-ийн эшлэл(7 дахь хэвлэлт)

OCLC, ebrary, Inc, & Eden, B. L. (2011). OCLC systems & services: International digital library perpsectives. Emerald.

Чикаго-гийн эшлэл (17 дахь хэвлэлт)

OCLC, Inc ebrary, ба Bradford Lee Eden. OCLC Systems & Services: International Digital Library Perpsectives. [Bradford, UK]: Emerald, 2011.

MLA -ийн эшлэл (9 дэх хэвлэлт)

OCLC, et al. OCLC Systems & Services: International Digital Library Perpsectives. Emerald, 2011.