HOOVER JOHN. (2007). BEST PRACTICES: TIME MANAGEMENT. HARPER COLLINS PUBLISHERS.
芝加哥风格引文HOOVER JOHN. BEST PRACTICES: TIME MANAGEMENT. NEW YORK: HARPER COLLINS PUBLISHERS, 2007.
MLA引文HOOVER JOHN. BEST PRACTICES: TIME MANAGEMENT. HARPER COLLINS PUBLISHERS, 2007.
警告：这些引文格式不一定是100％准确.