APA

Dale B. G., Aschheim K. W., . (1993). Esthetic dentistry. Philadelphia: Lea & Febiger.

Chicago

Dale Barry G, Aschheim Kenneth W, . 1993. Esthetic dentistry. Philadelphia: Lea & Febiger.

Harvard

Dale B. G., Aschheim K. W., . (1993). Esthetic dentistry. Philadelphia: Lea & Febiger.

MLA

Dale Barry G, Aschheim Kenneth W, . Esthetic dentistry. Philadelphia: Lea & Febiger. 1993.