APA
Gadalla S., . (1975). the field of population studies is the current state of knowledge adequate for preparing our social sciences methords and techniques related to population issues and problems. Cairo: National Center for Social and Criminological Research.
Chicago
Gadalla S, . 1975. the field of population studies is the current state of knowledge adequate for preparing our social sciences methords and techniques related to population issues and problems. Cairo: National Center for Social and Criminological Research.
Harvard
Gadalla S., . (1975). the field of population studies is the current state of knowledge adequate for preparing our social sciences methords and techniques related to population issues and problems. Cairo: National Center for Social and Criminological Research.
MLA
Gadalla S, . the field of population studies is the current state of knowledge adequate for preparing our social sciences methords and techniques related to population issues and problems. Cairo: National Center for Social and Criminological Research. 1975.