Gaya APA

Walton, M, T, R, E. (). Endodontics : Principles and Practice 4th Edition . USA: Saunders.

Gaya MLA

Walton, Mahmoud, Torabinejad,, Richard, E.. "Endodontics : Principles and Practice 4th Edition". USA: Saunders, . Koleksi Cetak.