Ash, L. Subject collections: A guide to special book collections and subject emphases as reported by university, college, public, and special libraries and museums in the United States and Canada (4th ed., rev.).
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रAsh, Lee. Subject Collections: A Guide to Special Book Collections and Subject Emphases as Reported by University, College, Public, and Special Libraries and Museums in the United States and Canada. 4th ed., rev.
एमएलए (9वां संस्करण) प्रशस्ति पत्रAsh, Lee. Subject Collections: A Guide to Special Book Collections and Subject Emphases as Reported by University, College, Public, and Special Libraries and Museums in the United States and Canada. 4th ed., rev.
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