Courant, R. (1989). Introduction to calculus and analysis (NA.). Springer.
Chicago-čujuhus (17. p.)Courant, Richard. Introduction to Calculus and Analysis. NA. New York: Springer, 1989.
MLA-čujuhus (9. p.)Courant, Richard. Introduction to Calculus and Analysis. NA. Springer, 1989.
Muitte dárkkistit čujuhemiid riektatvuođa, ovdal go geavahat daid iežat deavsttas.