Ash, L. (1958). Subject collections: A guide to special book collections and subject emphases as reported by university, college, public and special libraries in the United States, the Territories, and Canada. Bowker.
Cytowanie według stylu Chicago (wyd. 17)Ash, Lee. Subject Collections: A Guide to Special Book Collections and Subject Emphases as Reported by University, College, Public and Special Libraries in the United States, the Territories, and Canada. New York: Bowker, 1958.
Cytowanie według stylu MLA (wyd. 8)Ash, Lee. Subject Collections: A Guide to Special Book Collections and Subject Emphases as Reported by University, College, Public and Special Libraries in the United States, the Territories, and Canada. Bowker, 1958.
Uwaga: Te cytaty mogą odróżniać się od wytycznej twojego fakultetu..