Παραπομπή APA

Zill, D. G. (1997). A first course in differential equations with modeling applications (6th ed.). Pacific Grove: Brooks/Cole Publishing Company.

Παραπομπή Chicago Style

Zill, Dennis G. A First Course in Differential Equations With Modeling Applications. 6th ed. Pacific Grove: Brooks/Cole Publishing Company, 1997.

Παραπομπή MLA

Zill, Dennis G. A First Course in Differential Equations With Modeling Applications. 6th ed. Pacific Grove: Brooks/Cole Publishing Company, 1997.

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