APA (7th ed.) Zitazioa
Harpenau, L. A., & Aldredge, W. A. (2013). Hall's critical decisions in periodontology and dental implantology (Fifth edition.). People's Medical Publishing House-USA.
Chicago Style (17th ed.) Zitazioa
Harpenau, Lisa A., eta Wayne A. Aldredge. Hall's Critical Decisions in Periodontology and Dental Implantology. Fifth edition. Shelton, Connecticut: People's Medical Publishing House-USA, 2013.
MLA (9th ed.) Zitazioa
Harpenau, Lisa A., eta Wayne A. Aldredge. Hall's Critical Decisions in Periodontology and Dental Implantology. Fifth edition. People's Medical Publishing House-USA, 2013.
Kontuz: berrikusi erreferentzia hauek erabili aurretik.