Gaya APA
Darby, M, L., Walsh, M, M. (2010).
Procedures Manual Dental Hygiene Theory and practice .
St. Louis:
Saunders Elsevier.
Gaya MLA
Darby, Michele, Leonardi., Walsh, Margaret, M..
"Procedures Manual Dental Hygiene Theory and practice".
St. Louis:
Saunders Elsevier,
2010.
Text.