Gaya APA
Proffit, William R.. (2019).
Contemporary Orthodontics (6ed.).
Philadelphia:
Elsevier.
Gaya Chicago
Proffit, William R..
Contemporary Orthodontics.
6ed.
Philadelphia:
Elsevier,
2019.
Text.
Gaya MLA
Proffit, William R..
Contemporary Orthodontics.
6ed.
Philadelphia:
Elsevier,
2019.
Text.
Gaya Turabian
Proffit, William R..
Contemporary Orthodontics.
6ed.
Philadelphia:
Elsevier,
2019.
Print.