Keyfitz, Nathan
World population: an analysis of vital data
The University of Chicago Press, 1968
 Buku Teks
Borrie, W.B.
The growth and control of world population
Weidenfeld and Nicolson, 1970
 Buku Teks SO
Population : challenging world crisis
edited by Bernard Berelson
Voice of America, 1975
 Buku Teks
The world population dilemma
Population Reference Bureau, Inc., 1972
 Buku Teks SO
Population: challenging world crisis
edited by Bernard Berelson
Information Agency, 1975
 Buku Teks