Elsevier, I.(2019).The American Journal of Orthodontics and Dentofacial Orthopedics Volume 155 Number 6 June 2019 (Volume 155 Number 6 June 2019).New York:Elsevier Inc.
Gaya MLA
Elsevier, I..The American Journal of Orthodontics and Dentofacial Orthopedics Volume 155 Number 6 June 2019.Volume 155 Number 6 June 2019New York:Elsevier Inc,2019.Jurnal Internasional.