Fawcett, James T., author
Population Council, 1970
Buku Teks
Freedman, Ronald, author
Princeton University Press, 1969
Buku Teks
Goldscheider, Calvin, author
Litle Brown, 1971
Buku Teks
edited by D. V. Glass and Roger Revelle
Edward Arnold, 1972
Buku Teks
Zopf, Paul E,Jr
Mayfield Publishing, 1984
Buku Teks