Tawney, R.H.
Equality
George Allen and Unwin, 1952
 Buku Teks
hapus4
Equality
China Renmin University Press, 2015
 eBooks
Population: challenging world crisis
edited by Bernard Berelson
Information Agency, 1975
 Buku Teks
Population : challenging world crisis
edited by Bernard Berelson
Voice of America, 1975
 Buku Teks
Han, Lintao
Miracles of life-challenging cancer
New World Press, 2009
 Buku Teks