Harrison, Richard
Churchile Livingstone, 2001
Buku Teks SO
Criddle, Evan J
Cambridge University Press, 2016
eBooks
De Goyet, C. de Ville
World Health Organization, 1978
Buku Teks SO
Fakultas Teknik Universitas Indonesia, 1992
UI - Skripsi Membership
edited by Rifat Latifi, Ronald K. Poropatich, George J. Hadeed
Artech house, 2011
Buku Teks SO