Lua APA (7ú heag.)

Dubey,N H. (2012). Engineering Drawing. McGrawhill.

Lua i Stíl Chicago (17ú heag.)

Dubey,N H. Engineering Drawing. New Delhi: McGrawhill, 2012.

Lua MLA (9ú heag.)

Dubey,N H. Engineering Drawing. McGrawhill, 2012.

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