Spires, K. (2021). Public library core collection: A selection guide to reference books and adult nonfiction (Eighteenth edition.). H.W. Wilson ; Published by Grey House Publishing, Inc..
توثيق أسلوب شيكاغو (الطبعة السابعة عشر)Spires, Kendal. Public Library Core Collection: A Selection Guide to Reference Books and Adult Nonfiction. Eighteenth edition. Ipswich, Massachusetts : Armenia, NY: H.W. Wilson ; Published by Grey House Publishing, Inc., 2021.
توثيق جمعية اللغة المعاصرة MLA (الطبعة الثامنة)Spires, Kendal. Public Library Core Collection: A Selection Guide to Reference Books and Adult Nonfiction. Eighteenth edition. H.W. Wilson ; Published by Grey House Publishing, Inc., 2021.
تحذير: قد لا تكون هذه الاستشهادات دائما دقيقة بنسبة 100%.