Rathnam, K. (2018). A First Course in Engineering Drawing (1st ed. 2018.). Springer Singapore.
Citace podle Chicago (17th ed.)Rathnam, K. A First Course in Engineering Drawing. 1st ed. 2018. Singapore: Springer Singapore, 2018.
Citace podle MLA (9th ed.)Rathnam, K. A First Course in Engineering Drawing. 1st ed. 2018. Springer Singapore, 2018.
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