Goldstein, L. J., & Lay, D. I. (1993). Brief calculus and its applications (6th ed.). Prentice hall.
Lua i Stíl Chicago (17ú heag.)Goldstein, Larry J., agus David I. Lay. Brief Calculus and Its Applications. 6th ed. New Jersey: Prentice hall, 1993.
Lua MLA (9ú heag.)Goldstein, Larry J., agus David I. Lay. Brief Calculus and Its Applications. 6th ed. Prentice hall, 1993.
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