Gaya APA
Valentine, M., Barker, K. (2014).
Cisco ccent ICNDI 100-101 Exam Cram, Second Edition (Ed,ke-2).
Indianapolis:
Pearson Education.
Gaya MLA
Valentine, Michael., Barker, Keith.
"Cisco ccent ICNDI 100-101 Exam Cram, Second Edition".
Ed,ke-2
Indianapolis:
Pearson Education,
2014.
Textbook.