Airlangga, 1992
Buku Teks
Fahmi Rasyidah, author
Fakultas Kesehatan Masyarakat Universitas Indonesia, 2017
UI - Skripsi (Membership)
Tristram, Henry Baker., author
Cambridge University Press, 2013
Buku Teks
Hubbard, L. Ron, 1911-1986, author
Bridge Publications, Inc., 2012
Buku Referensi
Cook, Thomas W., author
John Wiley & Sons, 2011
Buku Teks