Dyfyniad APA

Helmers, C., & Rogers, M. (2008). Innovation and the survival of new firms across British regions. University of Oxford.

Dyfyniad Arddull Chicago

Helmers, C., and M. Rogers. Innovation and the Survival of New Firms Across British Regions. University of Oxford, 2008.

Dyfyniad MLA

Helmers, C., and M. Rogers. Innovation and the Survival of New Firms Across British Regions. University of Oxford, 2008.

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