Seshandri-Crooks, Kalpana
Routledge, 2000
Buku Teks SO
Kitano, Harry H.L.
Prentice-Hall, 1974
Buku Teks SO
Newman, David M.
McGraw-Hill , 2012
Buku Teks SO
Stacia Ariella
Fakultas Kedokteran Gigi Universitas Indonesia, 2017
UI - Skripsi Membership
by Margaret Mead [and others]
Columbia University Press, 1968
Buku Teks