APA citiranje

Johnson. 31 Days Before Your CCNA Exam: A day-by-day review guide for the CCNA 640-802 exam (2.). Pearson India.

Chicago Style (17th ed.) Citation

Johnson. 31 Days Before Your CCNA Exam: A Day-by-day Review Guide for the CCNA 640-802 Exam. 2. Pearson India.

MLA citiranje

Johnson. 31 Days Before Your CCNA Exam: A Day-by-day Review Guide for the CCNA 640-802 Exam. 2. Pearson India.