Dyfyniad APA

Baumol, W. J., Panzar, J. C., & Willig, R. D. (1982). Contestable markets and the theory of industry structure. Harcourt Brace Jovanovich.

Dyfyniad Arddull Chicago

Baumol, William J., John C. Panzar, and Robert D. Willig. Contestable Markets and the Theory of Industry Structure. New York: Harcourt Brace Jovanovich, 1982.

Dyfyniad MLA

Baumol, William J., et al. Contestable Markets and the Theory of Industry Structure. Harcourt Brace Jovanovich, 1982.

Rhybudd: Mae'n bosib nad yw'r dyfyniadau hyn bob amser yn 100% cywir.