Bloomsbury Publishing. (2004). Bloomsbury Business Library - Manage Your Time. A & C Black Publishers Ltd.
Cita Chicago Style (17a ed.)Bloomsbury Publishing. Bloomsbury Business Library - Manage Your Time. A & C Black Publishers Ltd, 2004.
Cita MLA (8a ed.)Bloomsbury Publishing. Bloomsbury Business Library - Manage Your Time. A & C Black Publishers Ltd, 2004.
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