APA (7 वां संस्करण) प्रशस्ति पत्र
Johnson, C., & Vollaro, M. (Jun 20, 2004). Materials Education 2004 Topical Trends And Outreach Efforts. Association for Engineering Education - Engineering Library Division Papers.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्र
Johnson, Craig, और Mary Vollaro. "Materials Education 2004 Topical Trends And Outreach Efforts." Association for Engineering Education - Engineering Library Division Papers Jun 20, 2004.
एमएलए (9वां संस्करण) प्रशस्ति पत्र
Johnson, Craig, और Mary Vollaro. "Materials Education 2004 Topical Trends And Outreach Efforts." Association for Engineering Education - Engineering Library Division Papers, Jun 20, 2004.
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