Dyfyniad APA

Bird, J. (2005). Basic engineering mathematics (4th ed.). Newnes/Elsevier.

Dyfyniad Arddull Chicago

Bird, John. Basic Engineering Mathematics. 4th ed. Oxford: Newnes/Elsevier, 2005.

Dyfyniad MLA

Bird, John. Basic Engineering Mathematics. 4th ed. Newnes/Elsevier, 2005.

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