Welbury, D., M., &., R.(2005).Clinical Problem Solving in Orthodontics and Paediatric Dentistry (Third Edition).London:Saunders Elseiver.
Gaya MLA
Welbury, Declan, Millett, &, Richard."Clinical Problem Solving in Orthodontics and Paediatric Dentistry".Third EditionLondon:Saunders Elseiver,2005.Buku Pelajaran.