Παραπομπή APA

Bellman, R., & Cooke, K. L. (1995). Modern elementary differential equations (2nd ed.). New York, NY.: Dover Publications.

Παραπομπή Chicago Style

Bellman, Richard, and Kenneth L. Cooke. Modern Elementary Differential Equations. 2nd ed. New York, NY.: Dover Publications, 1995.

Παραπομπή MLA

Bellman, Richard, and Kenneth L. Cooke. Modern Elementary Differential Equations. 2nd ed. New York, NY.: Dover Publications, 1995.

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