Petersen, William
Population
Macmillan, 1969
 Buku Teks SO
Petersen, William
Population
Macmillan, 1969
 Buku Teks
Petersen, William
Population
Macmillan, 1961
 Buku Teks SO
Journal of Population
The Demographic Institue FE-UI, 1995
 Majalah, Jurnal, Buletin
The population problem
edited by Stanley Johnson
John Wiley & Sons, 1973
 Buku Teks SO