Cita APA (7th ed.)

Tuttle, A. M. (1957). Elementary business and economic statistics. McGraw-Hill.

Cita Chicago (17th ed.)

Tuttle, Alva Maurice. Elementary Business and Economic Statistics. N.Y.: McGraw-Hill, 1957.

Cita MLA (8th ed.)

Tuttle, Alva Maurice. Elementary Business and Economic Statistics. McGraw-Hill, 1957.