Cassell, K. A. (2017). Managing reference today: New models and best practices. Rowman & Littlefield.
Cita Chicago (17th ed.)Cassell, Kay Ann. Managing Reference Today: New Models and Best Practices. Lanham: Rowman & Littlefield, 2017.
Cita MLA (9th ed.)Cassell, Kay Ann. Managing Reference Today: New Models and Best Practices. Rowman & Littlefield, 2017.
Atenció: Aquestes cites poden no estar 100% correctes.