Borko, H. (1978). Indexing concepts and methods. Academic Pr.
Cita Chicago (17th ed.)Borko, Harold. Indexing Concepts and Methods. New York: Academic Pr, 1978.
Cita MLA (9th ed.)Borko, Harold. Indexing Concepts and Methods. Academic Pr, 1978.
Atenció: Aquestes cites poden no estar 100% correctes.