Ehrlich, Paul R.
Population resources environment : issues in human ecology
W.H. Freeman, 1970
 Buku Teks
sources for the Population History of Northern Sumatra
Asia, Yogyakarta, Indonesia, 1974
 Buku Teks
Great issues in western civilization
edited by Brian Tierney, Donald Kagan, and L. Pearce Williams; consulting editor: Eugene Rice.
Random House, 1968
 Buku Teks
Weeks, John Robert, 1944-
Population : an introduction to concepts and issues
Cengage Learning, 2016
 Buku Teks
Golant, Stephen M.
Location and environment of elderly population
John Wiley & Sons, 1979
 Buku Teks