Gaya APA
Dale, B, G., Aschheim,, K, W. (1993).
Esthetic Dentistry A Clinical Approach to Techniques and Materials .
London:
Lea & Febiger.
Gaya MLA
Dale, Barry, G.., Aschheim,, Kenneth, W..
"Esthetic Dentistry A Clinical Approach to Techniques and Materials".
London:
Lea & Febiger,
1993.
Text.