Allen, D. (2002). Encyclopedia of strategic management: Financial decisions vol. 4. Crest Publishing House.
Lua i Stíl Chicago (17ú heag.)Allen, David. Encyclopedia of Strategic Management: Financial Decisions Vol. 4. New Delhi: Crest Publishing House, 2002.
Lua MLA (8ú heag.)Allen, David. Encyclopedia of Strategic Management: Financial Decisions Vol. 4. Crest Publishing House, 2002.
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