Pratiwi, author
Universiteit Gent, 1996
Buku Teks
Tan, Hock Beng, 1962-
Page one Publishing, 1994
Buku Referensi
Kuiter, Rudie H., author
Gramedia, 1992
Buku Referensi
World Health Organization, [date of publication not identified]
Buku Teks
Barreneche, Raul A., author
Rizzoli, 2003
Buku Teks