More editions of Reference and Information Services: An Introduction:
- Reference and Information Services: An Introduction: Softcover, Libraries Unlimited, Incorporated, ISBN 1563086247 (1-56308-624-7)
- Reference and Information Services: An Introduction: Hardcover, Libraries Unlimited, Incorporated, ISBN 156308130X (1-56308-130-X)
- Reference and Information Services: An Introduction: Hardcover, Libraries Unlimited, Incorporated, ISBN 1591583748 (1-59158-374-8)
- Reference and Information Services: An Introduction: Hardcover, Libraries Unlimited, Incorporated, ISBN 1563086212 (1-56308-621-2)
- Reference and Information Services: An Introduction: Hardcover, Libraries Unlimited, Incorporated, ISBN 0872878759 (0-87287-875-9)