Internasional.Elsevier, (2019).The American Journal of Orthodontics and Dentofacial Orthopedics Volume 156 No.5 November 2019 (Volume 156 No.5 November 2019).New York. USA:Elsevier Inc.
Gaya MLA
Internasional.Elsevier, .The American Journal of Orthodontics and Dentofacial Orthopedics Volume 156 No.5 November 2019.Volume 156 No.5 November 2019New York. USA:Elsevier Inc,2019.Jurnal Internasional.