APA-čujuhus (7. p.)

Ford, L. R. (1955). Differential equations (2nd.ed.). McGraw-hill.

Chicago-čujuhus (17. p.)

Ford, Lester R. Differential Equations. 2nd.ed. New York: McGraw-hill, 1955.

MLA-čujuhus (9. p.)

Ford, Lester R. Differential Equations. 2nd.ed. McGraw-hill, 1955.

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