Elsevier, I.(2018).The American Journal of Orthodontics and Dentofacial Orthopedics Volume 154 No.6 Desember 2018 (Volume 154 No.6 Desember 2018).New York. USA:Elseiver,Inc.
Gaya MLA
Elsevier, I..The American Journal of Orthodontics and Dentofacial Orthopedics Volume 154 No.6 Desember 2018.Volume 154 No.6 Desember 2018New York. USA:Elseiver,Inc,2018.Jurnal Internasional.