Dyfyniad APA

Swartz, J., & Lammle, T. (2001). CCIE: Cisco certified internetwork expert : study guide. San Francisco: Sybex.

Dyfyniad Arddull Chicago

Swartz, John., và Todd Lammle. CCIE: Cisco Certified Internetwork Expert : Study Guide. San Francisco: Sybex, 2001.

Dyfyniad MLA

Swartz, John., và Todd Lammle. CCIE: Cisco Certified Internetwork Expert : Study Guide. San Francisco: Sybex, 2001.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.