American Psychological Association, Division of Population and. (1980). Population and Environment. Human Sciences Press.
Chicago-referens (17:e uppl.)American Psychological Association, Division of Population and. Population and Environment. New York: Human Sciences Press, 1980.
MLA-referens (8:e uppl.)American Psychological Association, Division of Population and. Population and Environment. Human Sciences Press, 1980.
Varning: dessa hänvisningar är inte alltid fullständigt riktiga.