Παραπομπή APA

Summer, G. W., & Peters, S. W. (1973). Basic statistics in business and economics. Wardsworth.

Παραπομπή Chicago Style

Summer, George W., και S. William Peters. Basic Statistics in Business and Economics. Belmont: Wardsworth, 1973.

Παραπομπή MLA

Summer, George W., και S. William Peters. Basic Statistics in Business and Economics. Wardsworth, 1973.