Gaya APA

all, M, L, D, A. (2015). Dental Hygiene, 4th Edition Theory and Practice (4th Edition). Amsterdaam: Elsevier, 2015.

Gaya MLA

all, Michele, Leonardi, Darby,, At. "Dental Hygiene, 4th Edition Theory and Practice". 4th Edition Amsterdaam: Elsevier, 2015, 2015. Text.