Goldstein, L. J., & Lay, D. I. (1987). Brief calculus and its applications (4th ed.). Prentice hall.
Lua i Stíl Chicago (17ú heag.)Goldstein, Larry J., agus David I. Lay. Brief Calculus and Its Applications. 4th ed. New Jersey: Prentice hall, 1987.
Lua MLA (9ú heag.)Goldstein, Larry J., agus David I. Lay. Brief Calculus and Its Applications. 4th ed. Prentice hall, 1987.
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