Kozo Ueda
Basic demographic data: their accuracy and use for subnational population projections in Asian and pacific countries / Kozo Ueda
SEAMIC, 1980
 Buku Teks SO
International population dynamics 1950-79 demographic estimates for countries with a population of 5 million or more International Demographic Data Center
D.C U.S.Bureau of the Census , 1980
 Buku Teks
Pulver, H.E.
Construction estimates and cost
New York: McGraw-Hill, 1969
 Buku Teks
Petersen, William
Population
Macmillan, 1961
 Buku Teks
Petersen, William
Population
Macmillan, 1969
 Buku Teks