Kinder, R. (1991). Government documents and reference services. Haworth Press.
Cita Chicago (17th ed.)Kinder, Robin. Government Documents and Reference Services. New York: Haworth Press, 1991.
Cita MLA (9th ed.)Kinder, Robin. Government Documents and Reference Services. Haworth Press, 1991.
Atenció: Aquestes cites poden no estar 100% correctes.