APA (7 ম সংস্করণ) উদ্ধৃতি

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.

শিকাগো স্টাইল (17 তম সংস্করণ) উদ্ধৃতি

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.

M.L.A (8 ম সংস্করণ) উদ্ধৃতি

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.