Gaya APA
Gehrig, J, S, N. (2003).
Foundations of periodics for the dental hygienist (foto copi) .
Baltimore:
Lippinctt Williams & wilkins.
Gaya MLA
Gehrig, Jill, S., Nield.
"Foundations of periodics for the dental hygienist (foto copi)".
Baltimore:
Lippinctt Williams & wilkins,
2003.
Text.