Dyfyniad APA

Bryman, A., & Bell, E. (2011). Business research methods/3rd ed. Oxford University Press.

Dyfyniad Arddull Chicago

Bryman, Alan, and Emma Bell. Business Research Methods/3rd Ed. New Delhi: Oxford University Press, 2011.

Dyfyniad MLA

Bryman, Alan, and Emma Bell. Business Research Methods/3rd Ed. Oxford University Press, 2011.

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