Gaya APA

B, H, , V. (2007). Tooth Whitening: Indications and Outcomes of Nigtguard Vital Bleaching . London: Quintessence books.

Gaya MLA

B, Haywood, , Van. "Tooth Whitening: Indications and Outcomes of Nigtguard Vital Bleaching". London: Quintessence books, 2007. Text.