Doubleday & company, 1964
Buku Teks
Nissen, Mark, author
Igi Global, 2014
Buku Teks
Miklos Kengyel
Springer, 2012
eBooks
International Federation of Red Cross and Red Crescent Societies; editor, Patrick Vinck
International Federation of Red Cross and Red Crescent Societies, 2013
Buku Teks
edited by Swasti Mitter and Sheila Rowbotham
Routledge, 1995
Buku Teks