APA
(1982). Journal of the Western society of periodontology. California: Western society of periodontology foundation.
Chicago
1982. Journal of the Western society of periodontology. California: Western society of periodontology foundation.
Harvard
(1982). Journal of the Western society of periodontology. California: Western society of periodontology foundation.
MLA
Journal of the Western society of periodontology. California: Western society of periodontology foundation. 1982.
