HOOVER JOHN. (2007). BEST PRACTICES: TIME MANAGEMENT. HARPER COLLINS PUBLISHERS.
Cita Chicago Style (17a ed.)HOOVER JOHN. BEST PRACTICES: TIME MANAGEMENT. NEW YORK: HARPER COLLINS PUBLISHERS, 2007.
Cita MLA (9a ed.)HOOVER JOHN. BEST PRACTICES: TIME MANAGEMENT. HARPER COLLINS PUBLISHERS, 2007.
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