Catura-Houser, T., & O'Boyle, H. (2003). ExamInsight for A+ core hardware technology exam 220-221. TotalRecall Publications, Inc..
芝加哥风格引文Catura-Houser, Tim, 与 Helen O'Boyle. ExamInsight for A+ Core Hardware Technology Exam 220-221. Friendswood, Tex.: TotalRecall Publications, Inc., 2003.
MLA引文Catura-Houser, Tim, 与 Helen O'Boyle. ExamInsight for A+ Core Hardware Technology Exam 220-221. TotalRecall Publications, Inc., 2003.
警告：这些引文格式不一定是100％准确.