International Federation of Library Associations and Institutions. Working Group on Guidelines for Subject Access by National Bibliographic Agencies, ebrary, Inc, & Jahns, Y. (2012). Guidelines for subject access in national bibliographies. De Gruyter Saur.
Παραπομπή σε μορφή Chicago (17η εκδ.)International Federation of Library Associations and Institutions. Working Group on Guidelines for Subject Access by National Bibliographic Agencies, Inc ebrary, και Yvonne Jahns. Guidelines for Subject Access in National Bibliographies. Berlin ; Boston: De Gruyter Saur, 2012.
Παραπομπή σε μορφή MLA (9th εκδ.)International Federation of Library Associations and Institutions. Working Group on Guidelines for Subject Access by National Bibliographic Agencies, et al. Guidelines for Subject Access in National Bibliographies. De Gruyter Saur, 2012.