Dyfyniad APA

David A. Sanchez, R. C. A. J. Differential equations an introduction. Addison Wesley Publishing Company.

Dyfyniad Arddull Chicago

David A. Sanchez, Richard C. Allen Jr. Differential Equations an Introduction. Addison Wesley Publishing Company.

Dyfyniad MLA

David A. Sanchez, Richard C. Allen Jr. Differential Equations an Introduction. Addison Wesley Publishing Company.

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