Παραπομπή APA

Berelson, B. (1974). Population policy in developed countries. McGraw-Hill.

Παραπομπή Chicago Style

Berelson, Bernard. Population Policy in Developed Countries. New york: McGraw-Hill, 1974.

Παραπομπή MLA

Berelson, Bernard. Population Policy in Developed Countries. McGraw-Hill, 1974.