Haupt, Arthur
The Population Reference Bureau's population handbook
Population Reference Bureau, 1998
 Buku Referensi
Clinton, J. Jarrett
Health, population and nutrition systems in LDC'S : a handbook
Family Health Care, 1979
 Buku Teks SO
Petersen, William
Population
Macmillan, 1961
 Buku Teks
Petersen, William
Population
Macmillan, 1969
 Buku Teks
Petersen, William
Population
Macmillan, 1969
 Buku Teks SO