Lammle, T. (2006). CCNA intro: Introduction to Cisco networking technologies study guide. Indianapolis: Wiley Pub.
शिकागो स्टाइल उद्धरणLammle, Todd. CCNA Intro: Introduction to Cisco Networking Technologies Study Guide. Indianapolis: Wiley Pub, 2006.
एमएलए उद्धरणLammle, Todd. CCNA Intro: Introduction to Cisco Networking Technologies Study Guide. Indianapolis: Wiley Pub, 2006.
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