APA استشهاد

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

استشهاد بنمط شيكاغو

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

MLA استشهاد

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