Chisholm, Roderick M.
Prentice Hall International, 1989
Buku Teks
Dicker, Georges
Oxford University Press , 2004
Buku Teks
Simatupang, Lidia
Fakultas Ilmu Keperawatan Universitas Indonesia, 2014
UI - Skripsi (Membership)
Azzouni, Jody
Routledge, 2000
Buku Teks
edited by Ben Kotzee
Wiley-Blackwell, 2014
Buku Teks