Gaya APA
Aschhem, K, W. (2015).
Esthetic Dentistry A Clinical Approach to Techniques and Materials (Third Edition).
St. Louis:
Elsevier Mosby.
Gaya MLA
Aschhem, Kenneth, W..
"Esthetic Dentistry A Clinical Approach to Techniques and Materials".
Third Edition
St. Louis:
Elsevier Mosby,
2015.
Text.