Long, M. (2016). Preparing for CompTIA A+ - Exam 220-901 (2015 objectives): Understanding the knowledge sets required to pass the CompTIA A+ 220-901 exam. O'Reilly.
Chicago Style (17th ed.) CitationLong, Mark. Preparing for CompTIA A+ - Exam 220-901 (2015 Objectives): Understanding the Knowledge Sets Required to Pass the CompTIA A+ 220-901 Exam. [Place of publication not identified]: O'Reilly, 2016.
MLA (9th ed.) CitationLong, Mark. Preparing for CompTIA A+ - Exam 220-901 (2015 Objectives): Understanding the Knowledge Sets Required to Pass the CompTIA A+ 220-901 Exam. O'Reilly, 2016.
Warning: These citations may not always be 100% accurate.