APA (7e ed.) Bronvermelding

John F. Roland; Mark J. Newcomb. CCSP Self-Study CCSP Cisco Secure VPN Exam Certification Guide (1.). Pearson India.

Chicago (17e ed.) Bronvermelding

John F. Roland; Mark J. Newcomb. CCSP Self-Study CCSP Cisco Secure VPN Exam Certification Guide. 1. Pearson India.

MLA (8e ed.) Bronvermelding

John F. Roland; Mark J. Newcomb. CCSP Self-Study CCSP Cisco Secure VPN Exam Certification Guide. 1. Pearson India.

Let op: Deze citaties zijn niet altijd 100% accuraat.