एपीए उद्धरण

Bastien, G., & Degu, C. A. (2003). CCSP selfstudy CCSP cisco secure PIX firewall advanced exam certification guide. Pearson Education.

शिकागो स्टाइल उद्धरण

Bastien, Greg, और Christian Abera Degu. CCSP Selfstudy CCSP Cisco Secure PIX Firewall Advanced Exam Certification Guide. Delhi: Pearson Education, 2003.

एमएलए उद्धरण

Bastien, Greg, और Christian Abera Degu. CCSP Selfstudy CCSP Cisco Secure PIX Firewall Advanced Exam Certification Guide. Pearson Education, 2003.