Brown, Lester R.
In the human interest : a strategy to stabilize world population / Lester R. Brown
W.W. Norton & Company, Inc., 1974
 Buku Teks
Petersen, William
Population
Macmillan, 1961
 Buku Teks
Petersen, William
Population
Macmillan, 1969
 Buku Teks
Petersen, William
Population
Macmillan, 1969
 Buku Teks
Blackman, Norman S.
Liability in medical practice : a reference for physicians
Harwood Academic Publishers, 1990
 Buku Referensi