Reference services today : from interview to burnout
edited by Bill Katz; Ruth A. Fraley
Haworth Press, 1987
 Buku Teks
Kovacs, Diane K.
The virtual reference handbook : interview and information delivery techniques for the chat and e-mail environments / Diane K. Kovacs
Facet Publishing, 2007
 Buku Referensi
Reference services in the humanities
edited by Judy Reynolds
Haworth Press, 1994
 Buku Referensi
Rifni Raihana
Layanan referensi perpustakaan perguruan tinggi: studi kasus di Institut Pertanian Bogor = Reference services in academic Library: case study at Bogor Agricultural University
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2017
 UI - Skripsi Open
Hani Kusumaningsih
Evaluasi layanan referensi e-mail Perpustakaan United Nations Information Centre Jakarta = Evaluation of e-mail reference at United Nations Information Centre Library Jakarta
Fakultas Ilmu Pengetahuan dan Budaya Universitas Indonesia, 2016
 UI - Skripsi Membership