APA Цитирование

(1999). CCNP Cisco Certified Network Professional test yourself practice exams. Berkeley, California: Osborne McGraw-Hill.

Chicago-стиль цитирования

CCNP Cisco Certified Network Professional Test Yourself Practice Exams. Berkeley, California: Osborne McGraw-Hill, 1999.

MLA-цитирование

CCNP Cisco Certified Network Professional Test Yourself Practice Exams. Berkeley, California: Osborne McGraw-Hill, 1999.

Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.