Pitts, R. A. . .., & Lei,David. (2004). Strategic management building and sustaining competitive advantage (2nd ed.). Thomson Learning.
Dyfyniad Arddull ChicagoPitts, Robert A ., and Lei,David. Strategic Management Building and Sustaining Competitive Advantage. 2nd ed. Canada: Thomson Learning, 2004.
Dyfyniad MLAPitts, Robert A ., and Lei,David. Strategic Management Building and Sustaining Competitive Advantage. 2nd ed. Thomson Learning, 2004.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.