Lua APA (7ú heag.)

Pitts, R. A., & Lei, D. (2006). Strategic management: Building and sustaining competitive advantage (4th ed.). Thomson/South-Western.

Lua i Stíl Chicago (17ú heag.)

Pitts, Robert A., agus David Lei. Strategic Management: Building and Sustaining Competitive Advantage. 4th ed. Mason, OH: Thomson/South-Western, 2006.

Lua MLA (9ú heag.)

Pitts, Robert A., agus David Lei. Strategic Management: Building and Sustaining Competitive Advantage. 4th ed. Thomson/South-Western, 2006.

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