Gaya APA
Proffit, William R.. (2007).
Contemporary Orthodontics (4 ed.).
St Louis:
Mosby Elsevier.
Gaya Chicago
Proffit, William R..
Contemporary Orthodontics.
4 ed.
St Louis:
Mosby Elsevier,
2007.
Text.
Gaya MLA
Proffit, William R..
Contemporary Orthodontics.
4 ed.
St Louis:
Mosby Elsevier,
2007.
Text.
Gaya Turabian
Proffit, William R..
Contemporary Orthodontics.
4 ed.
St Louis:
Mosby Elsevier,
2007.
Print.