Perpustakaan UGM,
Majalah, Jurnal, Buletin
Agus Wahyudi
Perpustakaan IPB, 2015
Artikel Jurnal
Tri Septiyantono, Umar Sidik, editors
IAIN Susan Kalijaga, 2003
Buku Teks
edited by Diane L. Barlow, Paul T. Jaeger
Emerald, 2017
eBooks
Totterdell, Anne
Library Association Publishing, 2000
Buku Teks SO