Παραπομπή APA

Tuttle, A. M. (1957). Elementary Business and Economic Statistics (Ist Edition 1957.). Mc Graw - Hill Book Company, INC.

Παραπομπή Chicago Style

Tuttle, Alva M. Elementary Business and Economic Statistics. Ist Edition 1957. New York: Mc Graw - Hill Book Company, INC, 1957.

Παραπομπή MLA

Tuttle, Alva M. Elementary Business and Economic Statistics. Ist Edition 1957. Mc Graw - Hill Book Company, INC, 1957.