Dyfyniad APA

(1994). Mechanical engineer's reference book (12th ed.). Butterworth Heinemann.

Dyfyniad Arddull Chicago

Mechanical Engineer's Reference Book. 12th ed. London: Butterworth Heinemann, 1994.

Dyfyniad MLA

Mechanical Engineer's Reference Book. 12th ed. Butterworth Heinemann, 1994.

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