Harvard Business School. (2011). HBR's 10 Must Reads: The Essentials. Harvard Business.
Чикаго-гийн эшлэл (17 дахь хэвлэлт)Harvard Business School. HBR's 10 Must Reads: The Essentials. Harvard Business, 2011.
MLA -ийн эшлэл (9 дэх хэвлэлт)Harvard Business School. HBR's 10 Must Reads: The Essentials. Harvard Business, 2011.
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