Ash, L. 1. (1961). Subject collection; a guide to special book collections and subject emphases as reported by university, college, public, and special linraries in the United States and Canada (2nd ed. rev. and enl.). Bowker.
Citazione stile Chigago Style (17a edizione)Ash, Lee 1917. Subject Collection; a Guide to Special Book Collections and Subject Emphases as Reported by University, College, Public, and Special Linraries in the United States and Canada. 2nd ed. rev. and enl. New York: Bowker, 1961.
Citatione MLA (9a ed.)Ash, Lee 1917. Subject Collection; a Guide to Special Book Collections and Subject Emphases as Reported by University, College, Public, and Special Linraries in the United States and Canada. 2nd ed. rev. and enl. Bowker, 1961.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.