The Population crisis: implications and plans for action / edited by, Larry K.Y. NG and Stuart Mudd
Indiana University Press, 1966
Buku Teks
Rushdoony, Roysas J.
The myth of over-population / Roysas J. Rushdoony
Craig Press, 1971
Buku Teks
Population : challenging world crisis / edited by Bernard Berelson
Voice of America, U.S. Information Agency, 1969
Buku Teks
Mining : Natural Resources Development
Artikel Jurnal
Population : challenging world crisis
edited by Bernard Berelson
Voice of America, 1975
Buku Teks