American Association for the Advancement of Science, 1975
Buku Teks
Georgetown University Press, 1968
Buku Teks
Cook, Robert C., author
Population Council, 1968
Buku Teks
Berelson, Bernard, author
The Population Council, 1975
Buku Teks
Agarwala, S. N.
Tata McGraw-Hill, 1977
Buku Teks