Pitts, R. A., & Lei, D. (2006). Strategic management: Building and sustaining competitive advantage (4th ed.). Thomson/South-Western.
Čikaški stil citiranja (17. izdanje)Pitts, Robert A., i David Lei. Strategic Management: Building and Sustaining Competitive Advantage. 4th ed. Mason, OH: Thomson/South-Western, 2006.
MLA način citiranja (9. izdanje)Pitts, Robert A., i David Lei. Strategic Management: Building and Sustaining Competitive Advantage. 4th ed. Thomson/South-Western, 2006.
Upozorenje: Ovi citati možda nisu uvijek 100% točni.