APA (7th ed.) Zitazioa

Borko, H. (1978). Indexing concepts and methods. Academic Pr.

Chicago Style (17th ed.) Zitazioa

Borko, Harold. Indexing Concepts and Methods. New York: Academic Pr, 1978.

MLA (9th ed.) Zitazioa

Borko, Harold. Indexing Concepts and Methods. Academic Pr, 1978.