‘Discover@Bolton | University of Bolton’ <http://www.bolton.ac.uk/library/Electronic-Resources/Discover-At-Bolton.aspx>
‘LEAP Online’ <http://www.bolton.ac.uk/leaponline/Home.aspx>
Luther F and Nelson-Moon Z, Orthodontic Retainers and Removable Appliances: Principles of Design and Use (Wiley-Blackwell 2013)
——, Orthodontic Retainers and Removable Appliances: Principles of Design and Use (Wiley-Blackwell 2013) <https://ebookcentral.proquest.com/lib/bolton/detail.action?docID=1039664>
Nakajima E, Manual of Wire Bending Techniques (Quintessence Pub, Co 2010)
‘Subject Guide: Dental Technology’ <http://libguides.bolton.ac.uk/dentaltechnology>