Slade, A. L., & Kascus, M. (2000). Library services for open and distance learning: The third annotated bibliography. Libraries Unlimited.
Chicago Style (17. basım) AtıfSlade, Alexander L., ve Marie Kascus. Library Services for Open and Distance Learning: The Third Annotated Bibliography. Englewood, Colo: Libraries Unlimited, 2000.
MLA (9th ed.) AtıfSlade, Alexander L., ve Marie Kascus. Library Services for Open and Distance Learning: The Third Annotated Bibliography. Libraries Unlimited, 2000.
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