Crum, W. L., & Schumpeter, J. A. (1946). Rudimentary mathematics for economists and statisticians. McGraw-Hill.
Citazione stile Chigago Style (17a edizione)Crum, William Leonard, e Joseph Alois Schumpeter. Rudimentary Mathematics for Economists and Statisticians. New York: McGraw-Hill, 1946.
Citatione MLA (9a ed.)Crum, William Leonard, e Joseph Alois Schumpeter. Rudimentary Mathematics for Economists and Statisticians. McGraw-Hill, 1946.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.