Tohutoro APA (7th ed.)
Childs, P. R. N. (2004). Mechanical design (2nd ed.). Butterworth-Heinemann.
Tohutoru Kātū Chicago (17th ed.)
Childs, Peter R. N. Mechanical Design. 2nd ed. Oxford: Butterworth-Heinemann, 2004.
Tohutoro MLA (9th ed.)
Childs, Peter R. N. Mechanical Design. 2nd ed. Butterworth-Heinemann, 2004.
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