(2013). WELDING and fabrication workbook: Cengage learning and skills2learn, level 1 & 2. Cengage Learning.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रWELDING and Fabrication Workbook: Cengage Learning and Skills2learn, Level 1 & 2. Cengage Learning, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रWELDING and Fabrication Workbook: Cengage Learning and Skills2learn, Level 1 & 2. Cengage Learning, 2013.
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