Dyfyniad APA

Janssen, M. C. W. (1990). Bertrand competition and Keynesian economics. Institute of Economic Research, Faculty of Economics, University of Groningen.

Dyfyniad Arddull Chicago

Janssen, Maarten C. W. Bertrand Competition and Keynesian Economics. Groningen [Netherlands]: Institute of Economic Research, Faculty of Economics, University of Groningen, 1990.

Dyfyniad MLA

Janssen, Maarten C. W. Bertrand Competition and Keynesian Economics. Institute of Economic Research, Faculty of Economics, University of Groningen, 1990.

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