Hirsh, S. (2022). Information services today: An introduction (Third edition.). Rowman & Littlefield.
Cita Chicago (17th ed.)Hirsh, Sandra. Information Services Today: An Introduction. Third edition. Lanham, Maryland: Rowman & Littlefield, 2022.
Cita MLA (9th ed.)Hirsh, Sandra. Information Services Today: An Introduction. Third edition. Rowman & Littlefield, 2022.
Atenció: Aquestes cites poden no estar 100% correctes.