HOOVER JOHN. (2007). BEST PRACTICES: TIME MANAGEMENT. HARPER COLLINS PUBLISHERS.
Chicago Style (17th ed.) CitationHOOVER 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:這些引文格式不一定是100%准確.