David,Fred R. (1999). Strategic management: Concepts (7th ed.). Prentice-Hall.
Dyfyniad Arddull ChicagoDavid,Fred R. Strategic Management: Concepts. 7th ed. New Jersey: Prentice-Hall, 1999.
Dyfyniad MLADavid,Fred R. Strategic Management: Concepts. 7th ed. Prentice-Hall, 1999.
Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.