APA

Ross W J. A., Parker M. W., . (1988). Berelson on population. New York: Springer-Verlog.

Chicago

Ross W John A, Parker Mauldin W, . 1988. Berelson on population. New York: Springer-Verlog.

Harvard

Ross W J. A., Parker M. W., . (1988). Berelson on population. New York: Springer-Verlog.

MLA

Ross W John A, Parker Mauldin W, . Berelson on population. New York: Springer-Verlog. 1988.