Gaya APA

Nield-Gehrig, J, S. (2012). Fundamentals of Perodontal Instrumentation : And Advanced Root Instrumentation . : Lippincott William and Wilkins.

Gaya MLA

Nield-Gehrig, Jill., S.. "Fundamentals of Perodontal Instrumentation : And Advanced Root Instrumentation". : Lippincott William and Wilkins, 2012. Text.