In doing academic work, you want to make sure that the books and journals you are using have been edited with a rigorous scholarly standard. One indication of this standard is the publisher. Besides commercial academic publishers (Routledge, Brill), there are publishers sponsored by scholarly associations (Society of Biblical Literature, National Association of Professors of Hebrew) and university presses (Yale, Oxford). In the field of religious studies, there are also publishers with a specific theological perspective (Eerdmans, IVP) or that are sponsored by a denomination (Abingdon, Liturgical).
Being aware of the publisher or source of any resource you use is important when one is doing research in areas that may have perspectives that vary across denominations or could be theologically contentious.
The following are reputable publishers who specialize in Religious Studies texts: