Gaya APA

}, V, {, E, A. (2017). Orthodontics Current Principles and Techniques Sixth Edition (Sixth Edition). United States of America: Elsevier Inc.

Gaya MLA

}, Vig, {, Et, Al. "Orthodontics Current Principles and Techniques Sixth Edition". Sixth Edition United States of America: Elsevier Inc, 2017. Text.