The reference interview in archival literature Susan L.Malbin
 Artikel Jurnal
Bynagle, Hans E.
Philosophy : a guide to the reference literature / Hans E. Bynagle
Libraries Unlimited, 1986
 Buku Referensi
Aitchison, Jean, 1938-, author
Unesco thesaurus : a structured list of descriptors for indexing and retrieving literature in the fields of education, science, social science, culture, and communication : volume 2 / compiled by Jean Aitchison
Unesco, 1977
 Buku Referensi
Joreskog, Karl G., author
Prelis 2: User's reference guide
Scientific Software International Inc., 1996
 Buku Teks
Wynar, Christine Gehrt
Guide to reference books for school media centers / Christine Gehrt Wynar
Libraries Unlimited, 1986
 Buku Referensi