Bell, W. W. (1968). Special functions for scientists and engineers. Van Nostrand.
Citazione stile Chigago Style (17a edizione)Bell, William Wallace. Special Functions for Scientists and Engineers. London: Van Nostrand, 1968.
Citatione MLA (9a ed.)Bell, William Wallace. Special Functions for Scientists and Engineers. Van Nostrand, 1968.
Attenzione: Queste citazioni potrebbero non essere precise al 100%.