GRAZIANI RICK. (2008). ROUTING PROTOCOLS AND CONCEPTS: CCNA EXPLORATION COMPANION GUIDE WITH CD. PEARSON EDUCATION.
芝加哥风格引文GRAZIANI RICK. ROUTING PROTOCOLS AND CONCEPTS: CCNA EXPLORATION COMPANION GUIDE WITH CD. INDIA: PEARSON EDUCATION, 2008.
MLA引文GRAZIANI RICK. ROUTING PROTOCOLS AND CONCEPTS: CCNA EXPLORATION COMPANION GUIDE WITH CD. PEARSON EDUCATION, 2008.
警告：这些引文格式不一定是100％准确.