Petersen, William
Population
Macmillan, 1961
Buku Teks
Petersen, William
Population
Macmillan, 1969
Buku Teks SO
Petersen, William
Population
Macmillan, 1969
Buku Teks
Readings in population
edited by William Petersen
Macmillan, 1972
Buku Teks SO
Thompson, Warren S.
Population problems
McGraw-Hill, 1970
Buku Teks SO