Dando-Collins, S. (1998). The Penguin book of business wisdom. Penguin.
Chicago-čujuhus (17. p.)Dando-Collins, Stephen. The Penguin Book of Business Wisdom. New Delhi: Penguin, 1998.
MLA-čujuhus (9. p.)Dando-Collins, Stephen. The Penguin Book of Business Wisdom. Penguin, 1998.
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