Spurr, W. A. (1961). Business and economic statistics (Rev, [i.e. 2d].). Irwin.
Style de citation Chicago (17e éd.)Spurr, William Alfred. Business and Economic Statistics. Rev, [i.e. 2d]. Homewood, Illinois: Irwin, 1961.
Style de citation MLA (9e éd.)Spurr, William Alfred. Business and Economic Statistics. Rev, [i.e. 2d]. Irwin, 1961.
Attention : ces citations peuvent ne pas être correctes à 100%.